Mexico, Natural History Photography Blog

North Island, Coronado Islands, Mexico

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Latitude: 32° 25' 46.12" N, Longitude: 117° 17' 36.06" W, Coord: 32.42948°, -117.29335°
Filed under: Aerial Photography, Mexico on 9/12/2008

From a recent flight over Islas Coronados (Coronado Islands, Mexico) recently, seen here is the western exposure of North Coronado Island viewed from the southwest. Do you see the crack between the rightmost tip of the island and the main island? There is a narrow submerged passageway through that crack from the east to the west side of the island which we have swam through while diving. If the water in the slot is calm, there are often sea lions hanging out there. On this day you can see that the wave energy was high and it would have been a ass-over-teakettle tumbler of a ride for a diver to swim through that passageway.

North Coronado Island, aerial photo, viewed from the south.,  Copyright Phillip Colla, image #21317, all rights reserved worldwide.
North Coronado Island, aerial photo, viewed from the south. Coronado Islands (Islas Coronado), Coronado Islands, Baja California, Mexico.
Image: 21317  
Location: Coronado Islands (Islas Coronado), Baja California, Mexico
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Guadalupe Island Photos on Google Earth

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Latitude: 28° 53' 24.61" N, Longitude: 118° 14' 52.4" W, Coord: 28.89017°, -118.24789°
Filed under: GeoBlog, Guadalupe Island, Mexico on 5/11/2008

Many of our photographs of Guadalupe Island can be browsed in Google Earth through some new programming that has been added to OceanLight.com. If you have Google Earth installed on your computer, you should be able to click on the link below and have our layer of images open up within Google Earth, showing where around the island each image was taken. Zoom in and the images will spread out, making it easier to select one. Clicking on an image will bring up a web page with more detail about it!

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Click To View Guadalupe Island Images in Google Earth.  You must have Google Earth installed for this feature to work correctly. Photographs of Guadalupe Island on Google Earth. If you do not have Google Earth installed, you can Download Google Earth to get started.

Once we get further along with geotagging images, we can offer the same sort of displays for other places like Galapagos, Alaska, California, and Yellowstone. Currently about 15,000 of 22,000 images have been tagged.

Photo of a White Pointer Shark

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Latitude: 29° 9' 44.74" N, Longitude: 118° 16' 27.96" W, Coord: 29.162428°, -118.27444°
Filed under: Great White Shark, Guadalupe Island, Mexico, Sharks, Wildlife on 1/7/2008

This great white shark (Carcharodon carcharias) had a particularly pointy look to him, really streamlined and sleek, with little beady black eyes. When you see a white shark in person its no wonder they are known as white pointers down under.

A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico's Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean., Carcharodon carcharias,  Copyright Phillip Colla, image #19465, all rights reserved worldwide.
A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico’s Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 19465  
Species: Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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More photos of great white sharks, Guadalupe Island photos.

The Coronados Islands, Their History and Environment

Filed under: Mexico, Tear Sheets on 12/19/2007

Yesterday a copy of the new book, The Coronados Islands, Their History and Environment (Las Islas Coronados, una Historia y un Entorno Natural) arrived in our mailbox. It is very well done, the best treatment of the Coronado Islands (Las Islas Coronados) I have yet seen. Although I was contacted by the editors of the book for images related to the ecology and animal life at the Coronado Islands a couple of years ago, yesterday was the first time I had a chance to actually see the publication, which is printed in both Spanish and English with high quality printing and binding.

The book has some history. In 2003, Chevron proposed installing a $650 million liquified natural gas receiving terminal near the Coronado Islands, which are only about 8.5 miles from the Tijuana coast and just a 1-2 hour boat ride from San Diego. The book is derived from a large body of data that was collected during the permit process and includes interesting material about the history and ecology of the islands along with many photographs. Chevron received approval for the project but ultimately withdrew for economic reasons. Fortunately, the book was still produced and is now a publicly accessible distillation of all that research data. It is being distributed at no cost to many educational institutions in Mexico.

Check out the cover. The top photo showing all three islands was made by Alfonso Caraveo Castro, who contributed most of the images in the book. The middle photo, of fishes swimming in a kelp forest, and bottom photo, of a huge blue whale raising its fluke out of the water before diving, are mine.

Great White Shark Eyes The Camera

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Latitude: 29° 9' 44.74" N, Longitude: 118° 16' 27.96" W, Coord: 29.162428°, -118.27444°
Filed under: Great White Shark, Guadalupe Island, Mexico, Sharks, Wildlife on 9/26/2007

This is my favorite shot from my Shark Diver trip last week on the liveaboard boat Horizon to see great white sharks (Carcharodon carcharias) at Guadalupe Island. One shark in particular took to circling the boat clockwise and would pass very close to the starboard side cage. As it did so, I managed to get some close photographs with good detail of its eye, gills and the ampullae of Lorenzini on its snout.

A great white shark swims toward the photographer.  Perhaps the shark is considering him as possible prey?  The photographer, a shark diver is safely situated in a sturdy metal cage.  The best  location in the world to shark dive to view great white sharks is Mexico's Guadalupe Island., Carcharodon carcharias,  Copyright Phillip Colla, image #19457, all rights reserved worldwide.
A great white shark swims toward the photographer. Perhaps the shark is considering him as possible prey? The photographer, a “shark diver” is safely situated in a sturdy metal cage. The best location in the world to “shark dive” to view great white sharks is Mexico’s Guadalupe Island. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 19457  
Species: Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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Here are all of the photos from the trip.

See also: great white shark photos, Guadalupe Island, Isla Guadalupe, Carcharodon carcharias photos.

Photo of a Great White Shark Dorsal Fin

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Latitude: 29° 9' 44.74" N, Longitude: 118° 16' 27.96" W, Coord: 29.162428°, -118.27444°
Filed under: Great White Shark, Guadalupe Island, Mexico, Sharks, Wildlife on 9/24/2007

This is the dorsal fin of a great white shark (Carcharodon carcharias) at Guadalupe Island, sticking above the water as the shark cruises at the surface.

Dorsal fin of a great white shark breaks the surface as the shark swims just below., Carcharodon carcharias,  Copyright Phillip Colla, image #19493, all rights reserved worldwide.
Dorsal fin of a great white shark breaks the surface as the shark swims just below. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 19493  
Species: Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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See also: great white shark photos, Guadalupe Island, Isla Guadalupe, Carcharodon carcharias photos.

Great White Shark Photo

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Latitude: 29° 9' 44.74" N, Longitude: 118° 16' 27.96" W, Coord: 29.162428°, -118.27444°
Filed under: Great White Shark, Guadalupe Island, Mexico, Sharks, Wildlife on 9/23/2007

I was pretty lucky to get this photo. This is a great white shark (Carcharodon carcharias) that I photographed at Guadalupe Island while I was on a Shark Diver trip last week on the liveaboard boat Horizon. This one, a medium size (e.g, 12-13′) male, surprised us all. We were cooling our heels in the cage during a five minute lull, a rarity on this trip as virtually every minute we had at least one shark visible underwater. I happened to be staring off the port stern corner of the boat when suddenly this shark came streaking in from the edge of the visibility, took a huge bite at the bait and missed. I have never seen a shark swim so fast in my life. What motivated him to approach like that was a mystery. Typically the sharks at Guadalupe swim rather slowly around the boat, accelerating only with two or three final thrusts of their tails to take the bait. But this guy was going full steam the entire time, even as he disappeared into the gloom on the starboard side of the boat. His momentum carried him in front of the cage with his mouth still agape, which was awefully impressive. When I returned onto the deck later, the crew even commented how they were caught offguard by his rocket approach and how he left a pressure wave on the surface as he pumped his tail below. That such a large creature could move through the water with such speed was a real eye opener for me.

A great white shark opens it mouth just before it attacks its prey with a crippling, powerful bite.  After the prey has been disabled, the shark will often wait for it to weaken from blood loss before resuming the attack.  If the shark looses a tooth in the course of the bite, a replacement just behind it will move forward to take its place., Carcharodon carcharias,  Copyright Phillip Colla, image #19452, all rights reserved worldwide.
A great white shark opens it mouth just before it attacks its prey with a crippling, powerful bite. After the prey has been disabled, the shark will often wait for it to weaken from blood loss before resuming the attack. If the shark looses a tooth in the course of the bite, a replacement just behind it will move forward to take its place. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 19452  
Species: Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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See also: great white shark photos, Guadalupe Island, Isla Guadalupe, Carcharodon carcharias photos.

Shredder

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Latitude: 29° 9' 44.74" N, Longitude: 118° 16' 27.96" W, Coord: 29.162428°, -118.27444°
Filed under: Great White Shark, Guadalupe Island, Mexico, Sharks, Wildlife on 9/22/2007

This is “Shredder”, aka “Scar”, a great white shark (Carcharodon carcharias) often seen at Guadalupe Island. In 2003 Shredder bit the anchor line of the Ocean Odyssey clean through, severing the boat from its anchor. He is named for his shredded dorsal fin. Shredder is about 13-14 feet long. Note that in this photograph he is sporting three satellite tags on his left flank just below his dorsal fin. They are covered with algae but are probably still operational. These tags collect information about his diving habits and water temperature and transmit this information to a satellite for use by researchers.

A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico's Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean., Carcharodon carcharias,  Copyright Phillip Colla, image #19470, all rights reserved worldwide.
A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico’s Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 19470  
Species: Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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See more photos of great white sharks.

Guadalupe Island Panoramic Photo

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Latitude: 29° 8' 25.69" N, Longitude: 118° 17' 8.9" W, Coord: 29.140472°, -118.28581°
Filed under: Guadalupe Island, Mexico, Panoramas on 9/21/2007

I shot this panoramic photo, a series of six individual photographs, one morning last week, shortly after sunrise, from the upper deck of the boat Horizon. Guadalupe Island was covered in that great golden sunrise light that only lasts for a few minutes. The ocean surrounding the island was covered in clouds, but we were sitting in a broad pocket of clear sky — the 4257′ tall island was holding the clouds back. You can just see some clouds peeking over the topmost ridge, but that’s as far as they got. A beautiful morning.

Guadalupe Island at sunrise, panorama.  Volcanic coastline south of Pilot Rock and Spanish Cove, near El Faro lighthouse.,  Copyright Phillip Colla, image #19497, all rights reserved worldwide.
Guadalupe Island at sunrise, panorama. Volcanic coastline south of Pilot Rock and Spanish Cove, near El Faro lighthouse. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 19497  
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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Pano dimensions: 2797 x 16157
 

Guadalupe White Shark Trip 2007

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Latitude: 29° 9' 44.74" N, Longitude: 118° 16' 27.96" W, Coord: 29.162428°, -118.27444°
Filed under: Great White Shark, Guadalupe Island, Mexico, Sharks, Wildlife on 9/20/2007

Just back from a quick trip to Guadalupe Island to photograph great white sharks (Carcharodon carcharias). I had heard that this season has been a particularly good one for white sharks at Guadalupe, and I managed to get a few days off to get down there for a look on my favorite dive boat, the Horizon out of San Diego. (Patric Douglas at Shark Diver runs a series of trips each fall aboard the Horizon to see white sharks at Guadalupe.) Guadalupe is my favorite island, I love the place. I think I have made 15 trips to the island now, most for diving but at least five for white shark photography. I am always looking for an excuse to visit Isla Guadalupe as it never fails to offer up something extraordinary. This time was no exception. During three days at the island and about 18 hours in the cage, I saw probably 15 different white sharks ranging from about 8 feet to 13 feet or more in length, a mix of males and females, some I had seen and photographed before and some that were new to me and perhaps new to the white shark photo identification project. We’ll see on the latter once I submit the images to the researchers. We had only about one hour total where there were no sharks around the boat. We often had two at the boat, and on a few occasions had four within sight at once and six at the boat during a dive. There are a lot of white sharks at the north end of the island right now and from the sounds of it there have been for at least a month. It will take me a few weeks to sort through the 1700+ photos that I shot, select the keepers and get them processed for the web. Since I was using a new camera housing and lens, I was not entirely certain of how sharp the combo was so I pulled a few shots up on the computer between dives on the first day to check sharpness and exposure. Here is one:

A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico's Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean., Carcharodon carcharias,  Copyright Phillip Colla, image #19473, all rights reserved worldwide.
A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico’s Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 19473  
Species: Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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See more great white shark photos.

Guadalupe Island Reminiscing

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Latitude: 28° 53' 24.6" N, Longitude: 118° 14' 52.4" W, Coord: 28.890167°, -118.24789°
Filed under: Guadalupe Island, Mexico on 7/24/2007

Skip Stubbs has been the main force behind many (most?) of the noteworthy diving trips to Guadalupe Island (Isla Guadalupe) during the last two decades. The trips Skip has led began in ‘91 and ‘92 on the Bottom Scratcher, and continued annually since ‘94 on the Horizon, and preceded the current generation of shark trips by ten years. Skip’s Guadalupe trips were for appreciation and exploration of the underwater and coastal wonders of the island and for seeking large tuna and yellowtail that haunt Guadalupe. The main activities were open water SCUBA diving, freediving, and spearfishing. We didn’t do any cage diving in spite of the many sharks that are there; it was all about the open water. Most summers I was fortunate to accompany Skip for the annual 10-day trip, along with a handful of other Guadalupe regulars.

East face and shoreline of southernmost morro, daybreak.,  Copyright Phillip Colla, image #06152, all rights reserved worldwide.
East face and shoreline of southernmost morro, daybreak. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 06152  
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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A sense of solitude and remoteness permeated those trips, particularly the early ones when we were discovering new dive spots each day and were somewhat anxious about the legendary sharks known to patrol the island. We were all acutely aware that we were far from home, in a wild place, and essentially alone except for the folks who shared the boat with us. On most of our Guadalupe trips, we would be lucky to see another boat the entire time we were there, and if we did it was usually there briefly seeking a protected night anchorage. Otherwise we, and the small group of Mexican fisherman living on the island, were the only people at the island. Each evening as we drank Jerry’s wine and beer, ate fresh yellowfin off the grill and traded stories of what we had seen in the water that day, we all knew how really special our time at the island was. Many commented that those trips were the most enjoyable of their lives.

Guadalupe Island is now a Mexican Biosphere Reserve, and access to the island is increasing regulated and limited. Dozens of shark diving groups arrive by boat at the island throughout the fall months, sometimes four of them simultaneously, in general anchoring at a single location near the north end of the island. While the magic sense of solitude, privacy and privilege that we experienced is likely absent from these trips, at the same time many more people are now able see this amazing place with their own eyes than before.

Joe Tobin, a skilled spearfisherman and friend, and member of our earliest trips to the island, recently summed up his thoughts (and to a certain degree mine as well) and expressed his appreciation to Skip on our many trips to the island:

I am starting to feel like I have seen and done every thing I wanted to do at Guadalupe. It has been a huge part of my spearfishing life since 1994. Who would have thought of all the adventures we ended up having there over the years. Though people have been going there for a long long time, no one ever really explored the underwater sights like our group has over the past decade. We saw Guadalupe go from being a little known rock in the middle of nowhere, known mostly to the long range fishing fleet and feared with utter dread by the spearfishing community, to a world famous great white shark viewing location, now known around the world…

The memories of Guadalupe Island, the moments of drama there and the people I shared these adventures with will stay with me for the rest of my life. Our trips on the Horizon have always been a highlight of my summer for the better part of my adult life. I knew so little about bluewater hunting back in 1994 but was full of ambition having heard the stories and exploits of freedivers at such places as the Revillagigedos and other offshore rocks. I had never shot a tuna or yellowtail until I got to Guadalupe. This was the place I learned to stalk pelagic fish, dive in bluewater, work together with other divers for safety as well as to ensure we each succeeded in landing our catch and enjoy the finer points of home brewed lager on tap!

You have done a tremendous job of organizing the annual run to Guadalupe. I always looked forward to seeing the old faces as well as seeing the newcomers. Your efforts to only bring in the right people for this special trip is probably this single most under appreciated aspect of all the trips we’ve shared. I will always be thankful to you for taking the effort keep the trip going with the right mix of divers.

Well said, Joe. See you on the water.

Guadalupe Cobblestones

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Latitude: 29° 9' 50.51" N, Longitude: 118° 16' 26.1" W, Coord: 29.164033°, -118.27392°
Filed under: Guadalupe Island, Mexico on 6/22/2007

I’ve spent hundreds of hours in the shallows at Guadalupe Island (Isla Guadalupe). The diving is so special there that I will spend every minute I can in the water, breathing a little as possible and waiting until my tank is drained before surfacing to call for a skiff ride back to the big boat. The long eastern shore of Guadalupe Island is typically protected and calm, and this is where much of our diving is done. Drifting around with the mild surge, I’ll find Guadalupe fur seals, usually solitary males but sometimes juveniles in small groups, sea turtles, the very occasional elephant seal, lots of lobster and, since Guadalupe Island straddles both temperate and tropical ranges for many types of fish, a great mix of species. Sometimes too I’ll just zone out in the protected pocket cove, turning over the cobblestones that line the bottom looking for cowries and other weird stuff.

Boulders cover the ocean floor, worn round and smooth by centuries of wave action.,  Copyright Phillip Colla, image #18511, all rights reserved worldwide.
Boulders cover the ocean floor, worn round and smooth by centuries of wave action. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 18511  
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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Photo of Cortez Chub

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Latitude: 28° 57' 47.4" N, Longitude: 118° 13' 9.59" W, Coord: 28.963167°, -118.21933°
Filed under: Guadalupe Island, Marine Life on 6/20/2007

Guadalupe Island (Isla Guadalupe) straddles both tropical and temperate fish ranges and offers a unique mix of species to see. It is not uncommon to see Panamic fanged blennies and red-tailed triggerfish alongside blacksmith and garibaldi. Shown here is a small school of Cortez chub (Kyphosus elegans) that was stationed at one end of Church Rock. Dominant male Cortez chub have a striking golden phase that I have only seen a few times at Guadalupe.

Cortez chubb., Kyphosus elegans,  Copyright Phillip Colla, image #01020, all rights reserved worldwide.
Cortez chubb. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 01020  
Species: Kyphosus elegans
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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Vicki’s Secret — Amazing Underwater Cave New To Science

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Latitude: 28° 57' 6.9" N, Longitude: 118° 17' 50.78" W, Coord: 28.951917°, -118.29744°
Filed under: Guadalupe Island, Mexico on 6/19/2007

Of the few people who actually dive at Guadalupe Island (Isla Guadalupe) (sorry, cage dives don’t count!) only a fraction will dive on the rugged, exposed, weather side of the island. There, not far from the “west anchorage”, lies a secret complex of arches and large underwater caves. The arches we have named Los Arcos del Diablo although the Mexicans at the island probably have another name for them. Rising 40′ or more out of the water, they are formed on the leading edge of a long extinct lava flow that juts out from the island and abruptly drops into the ocean. The underwater terrain below the arches is even more dramatic with at least one large cavern having a 40′ vertical opening and extending several times that laterally into the heart of the lava flow. We named our find El Secreto Del Vicki in honor of a member of our discovery team and the only known distaff diver intrepid enough to brave the white sharks and crazy water of Guadalupe to explore this particular underwater marvel. Here is a shot of Vicki hovering in the entrance to her namesake cave:

El Secreto del Vicki cavern.,  Copyright Phillip Colla, image #06191, all rights reserved worldwide.
El Secreto del Vicki cavern. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 06191  
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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GuadalupeFund.Org

Filed under: Guadalupe Island, Mexico on 6/10/2007

Eco Fund Launched To Protect the Great White Shark - GuadalupeFund.Org

(California) June 9, 2007 Isla Guadalupe, Mexico has become the internationally recognized destination for divers seeking unprecedented encounters with Great White sharks (Carcharodon carcharias). The 90 square mile island located in the Pacific is also home to many rare endemic species of animals and plants. In 2005 Mexico declared the island a Bio-Sphere Reserve under the watchful eye of CONANP the Comisión Nacional de Áreas Naturales Protegidas. As is the case with many watch dog and eco enforcement organizations worldwide, long term funding for actual on site protections of this resource and the Great Whites that seasonally inhabit these pristine waters do not exist at this time.

Globally, shark aggregation sites like Isla Guadalupe have been decimated in the past few years by poaching, over fishing, and an uncontrolled trade in shark fins that takes an estimated 70 million sharks a year.

Recently a concerned group of shark diving operators, vessel owners and researchers stepped in to create and launch the Guadalupe Fund 501(c)3. Its stated goal is to move much needed cash and donated equipment into the Bio-Sphere for park staff and continued funding for long term white shark science/monitoring.

“The timing for the Guadalupe Fund couldn’t be better”, said John Conniff, owner operators of the MV Islander, which runs white shark diving expeditions to the island. “I’ve been fortunate enough to spend the past 8 years working at Isla Guadalupe. Over that time I’ve marveled at both the diversity and uniqueness this island has to offer. This fund, in conjunction with a robust effort from the Mexican government will insure that future usage is managed in a way that maintains the island’s integrity and protects its many resources; this island is truly one of a kind. Our goal is to make sure it stays that way for generations to come”.

Nicole Nasby Lucas from the Marine Conservation Science Institute has been involved in ongoing white shark tagging and photo identification research at this site for the past six years. “Our tagging and photo-ID research have shown that the Guadalupe Island white sharks aggregate here in large numbers during the fall and winter, leave the island and travel as far as Hawaii and then come back to the same spot. This makes Guadalupe Island a critical habitat for the white shark in this region and demonstrates the importance of protecting the island and its sharks”.

The diverse and often contrary nature of this coalition of dive boat operators, researchers and eco-tour operators is a testament to the immediate need for a long term funding source for this unique Bio-Sphere Reserve and all its inhabitants. The Guadalupe Fund is being managed by Marinebio.org with assistance from shark diving operator SharkDiver.Com and hopes to generate a minimum of $100,000 a year from concerned divers and shark lover’s world wide. All donations to this fund are tax deductible and gifts ranging from free trips to the island and the opportunity to name a Great White shark after donors exist for interested parties.

For more information visit:

Guadalupe Fund-www.gudalupefund.org
Shark Diver-www.sharkdiver.com
Nautilus Explorer-www.nautilusexplorer.com
Islander Charters-www.islandersportfishing.com
Horizon Charters-www.horizoncharters.com
Marine Conservation Science Institute -www.marinecsi.org

Guadalupe Island White Shark ID Project

I had an interesting conversation with Nicole Nasby Lucas of the Pfleger Institute of Environmental Research yesterday. Ms. Lucas and PIER co-founder Michael Domeier PhD have been conducting a capture/recapture study on great white sharks (Carcharodon carcharias) at Guadalupe Island, Mexico, building a database of identification photos and video of white sharks that inhabit the island. To date PIER has 73 individual sharks in their database, and the count increases each season. PIER also places a small number of satellite tags on Guadalupe white sharks to learn where they are going once they leave the island. Interestingly, some of the sharks tagged at Guadalupe Island swim all the way to the Hawaiian islands, including two of the sharks tagged during the most recent season. By observing the white sharks in this way, the PIER researchers are able to collect evidence about how the sharks utilize the island habitat and their migrations to and from the island.

I have had the good fortune of naming five of the PIER sharks by virtue of being the first photographer to capture each of them on film. The three females are named after my two daughters and my mother (you don’t think I am stupid enough to name one after my wife do you?). The two males are named after the notorious bachelors on Sex in the City: Big and The Russian.

In this case Ms. Lucas was able to link the right side and left side photographs by finding a common element between them: a notched tip on the left side ventral fin. Here she is, Guadalupe Island great white shark #57, “Leslie”:

For more information about PIER’s white shark research at Guadalupe Island, how the identification process works and what scientific publications have resulted from the study, visit the PIER website and see the online catalog.

Keywords: great white shark photos, Carcharodon carcharias photos, Pfleger Institute of Environmental Research

Roca del Skip, Isla Guadalupe

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Latitude: 28° 51' 56" N, Longitude: 118° 17' 52.41" W, Coord: 28.865558°, -118.29789°
Filed under: Guadalupe Island, Mexico on 4/13/2006

Roca del Skip (Skip’s Rock) is a dramatic spire at the southern end of Isla Guadalupe (Guadalupe Island) named in honor of the man who has videotaped and explored the submarine haunts of Guadalupe Island more than anyone else.

Church Rock (left) and Roca del Skip (Skips Rock, right), near Isla Adentro.,  Copyright Phillip Colla, image #09762, all rights reserved worldwide.
Church Rock (left) and Roca del Skip (Skips Rock, right), near Isla Adentro. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 09762  
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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Harrison “Skip” Stubbs, Ph. D. has logged hundreds of hours diving at Guadalupe Island annually since 1992 during expeditions that he has organized to explore the island and appreciate its marine inhabitants and spectacular geologic features. Guadalupe Island is surrounded with dozens of underwater spires, offshore rocks, islets and islands. The southern end of Guadalupe Island hosts four noteworthy and diveable rocks, all of which we have dived repeatedly. Most significant are Isla Adentro and Isla Afuera, both of which are large, dramatic islands with spectacular vertical underwater terrain for divers to explore. Next to Adentro is the much smaller Church Rock which, like its larger brethren, is sheer on all sides and exposed to open ocean swells and currents, making for some exciting submarine conditions. And finally there is Roca del Skip (Skip’s Rock), a granite spire that rises out of 150′ of water to break the surface. It is too difficult to anchor at Roca del Skip, indeed it is tricky enough to anchor near Church Rock. So we take a skiff from the big boat over to Roca del Skip and splash in, then quick! race down into the lee of the rock before the current grabs hold. Roca del Skip is vertical on three sides, clean granite that glows in the sunlight and is spotted with Scythe butterflyfish and Guadalupe cardinalfish. The walls drop to 150′ and a ridge of granite extends out toward open sea from the base, as far as one can see which is usually 150′ or more in the clear waters there. On its other side Roca del Skip has a broad shoulder covered with low-lying algae that sways in passing swells and is home to schools of Azurina, blacksmith and chubb. Roca del Skip is close enough to Church Rock that one can make the swim underwater. We shoot the gap from Roca del Skip to Church at least once each trip if we can. Shoot the gap (n.): “swim at depth from one rock to the other without any bottom structure in sight”. I like to do it without a compass. (Compass navigation is for people who log their dives and check their air pressure; I don’t know any people like that.) This holistic approach is referred to in diving magazines as “navigation using natural features” except in this case there are no natural features to reference. Its fun and stupid this way, relying on the angle of the sun and the seat of one’s pants to guess which direction to head. It should be noted that, given certain known biohazards at Guadalupe, shooting the gap yields a sense of comfort akin to what a bait must feel like when it has become separated from its school and hears tuna approaching. As an added bonus, if a wrong heading from Roca del Skip causes one to miss Church Rock entirely and the currents grab hold, the next stop is Tahiti. There have been a few times after leaving Skip’s Rock behind that we’ve been swimming the gap for what seemed like too long, 70′ deep and without “natural features” upon which to base our “navigation”, before the hazy glow of Church Rock begins to show in the distance ahead. We burn what remains of our air along the walls and shoulders of Church Rock before the skiff arrives to pick us up.

Diver silhouette.,  Copyright Phillip Colla, image #00251, all rights reserved worldwide.
Diver silhouette. Guadalupe Island (Isla Guadalupe), Baja California, Mexico.
Image: 00251  
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
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Lots more Guadalupe Island photos.

Keywords: Isla Guadalupe (Guadalupe Island)

Roca del Skip appears in the Guadalupe Island entry on Wikipedia so it must be official, right.?

Freediving and Spearfishing Cover

Filed under: Guadalupe Island, Mexico, Tear Sheets on 4/11/2006

My photograph of expert freediver, spearfisherman, long range boat captain and all-around-good-guy Chris Thompson was taken at Guadalupe Island in July 2001 shortly after he speared his ginormous yellowfin tuna (not his first mind you). It then appeared on the Summer 2002 cover of the International Freediving and Spearfishing News:

Chris Thompson and yellowfin tuna photo.  International Freediving and Spearfishing News cover photo Summer 2002, copyright Phillip Colla, all rights reserved worldwide.

Isla Guadalupe :: Restauracion Y Conservacion

Filed under: Guadalupe Island, Mexico, Tear Sheets on 3/21/2006

Finally, an authoritative book has been published about Guadalupe Island, our favorite eastern Pacific island and one of Mexico’s finest ecological wonders. Published in December 2005 by Instituto Nacional de Ecologia (INE-SEMARNAT) and compiled by editors Karina Santos del Prado and Eduardo Peters, Isla Guadalupe, Restauracion Y Conservacion describes the geology, flora and fauna of this unique island. Particular attention is paid to the spectacular geology with satellite photos and topographic maps, descriptions of the bird species with photographs from atop Afuera and Adentro islands, and coverage of the Guadalupe fur seals, elephant seals and great white sharks. I am proud to have provided many of the images appearing in the book including the cover. An English-language edition is planned for later this year.

Isla Guadalupe, Restauracion Y Conservacion

Wildlife of Guadalupe Island
Underwater Guadalupe Island
Above water coastline and geology of Guadalupe Island
Guadalupe Island great white sharks and Carcharodon carcharias
Guadalupe fur seals and Arctocephalus townsendi
Our complete collection of still photographs at Guadalupe Island

California Sea Lions, Baja California

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Latitude: 32° 26' 14.15" N, Longitude: 117° 17' 52.86" W, Coord: 32.437264°, -117.29802°
Filed under: Mexico, Photo of the Day, Sea Lion, Wildlife on 3/15/2005

Each winter California sea lions (Zalophus californianus) gather in the hundreds on the rock slopes of North Coronado Island, just south of the US/Mexico border. The bottom diving is unremarkable here the remainder of the year, but when the sea lions are gathered in such numbers it is worth making the short boat trip for a dive with them.

California sea lions, hauled out at rookery/colony, Baja California., Zalophus californianus,  Copyright Phillip Colla, image #05042, all rights reserved worldwide.
California sea lions, hauled out at rookery/colony, Baja California.
Image: 05042  
Species: Zalophus californianus
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Keywords: California sea lion photo, rookery, colony, Zalophus californianus, Coronado Islands, Islas Coronado.

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Updated: May 23, 2012