Divers Swim Over the Wreck of the HMCS Yukon in San Diego. Deliberately sunk in 2000 at San Diego's Wreck Alley to form an artifical reef, the HMCS Yukon is a 366-foot-long former Canadian destroyer. It is encrusted with a variety of invertebrate life, including Cornyactis anemones which provide much of the color seen here.
Location: San Diego, California
Image ID: 39475
American Flag Flying Over The Wreck of the HMCS Yukon in San Diego. Deliberately sunk in 2000 as part of San Diego's Wreck Alley to form an artifical reef, the HMCS Yukon is a 366-foot-long former Canadian destroyer. It is encrusted with a variety of invertebrate life, including Cornyactis anemones which provide much of the color seen here.
Location: San Diego, California
Image ID: 39476
Wreck of the Nasi Yalo Dina, Fiji. The Nasi Yalodina was a Fijian medical ship that sunk after striking the reef here in 2001.
Location: Fiji
Image ID: 31342
Two giant black sea bass swim in a courtship circle, part of a larger gathering of a mating aggregation amid kelp forest, Catalina Island. In summer months, black seabass gather in kelp forests in California to form mating aggregations. Courtship behaviors include circling of pairs of giant sea bass, production of booming sounds by presumed males, and nudging of females by males in what is though to be an effort to encourage spawning.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 33357
Two Giant black sea bass hover in the kelp forest as a courting pair, part of a larger mating aggregation at Catalina Island. In summer months, giant black seabass gather in kelp forests in California to form mating aggregations leading to spawning. Courtship behaviors include circling of pairs of giant sea bass, production of booming sounds by presumed males, and nudging of females by males in what is though to be an effort to encourage spawning.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 33360
Five giant black sea bass in a mating and courtship aggregation in the kelp forest at Catalina Island. In summer months, black seabass gather in kelp forests in California to form mating aggregations leading to spawning. Courtship behaviors include circling of pairs of giant sea bass, production of booming sounds by presumed males, and nudging of females by males in what is though to be an effort to encourage spawning.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 33361
Two Giant sea bass comprise a courting pair as part of a larger mating aggregation amid the kelp forest at Catalina Island. In summer months, giant seabass gather in kelp forests in California to form mating aggregations leading to spawning. Courtship behaviors include circling of pairs of giant sea bass, production of booming sounds by presumed males, and nudging of females by males in what is though to be an effort to encourage spawning.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 33362
A male giant sea bass nudges a female giant sea bass to encourage spawning as they swim in a tight circle. This courting pair of giant sea bass is deep in the kelp forest at Catalina Island. In summer months, giant sea bass gather in kelp forests in California to form courtship and mating aggregations, eventually leading to spawning.
Species: Giant black sea bass, Stereolepis gigas
Location: Catalina Island, California
Image ID: 33364
Adult male humpback whale singing, suspended motionless underwater. Only male humpbacks have been observed singing. All humpbacks in the North Pacific sing the same whale song each year, and the song changes slightly from one year to the next.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 02794
Adult male humpback whale bubble streaming underwater. The male escort humpback whale seen here is emitting a curtain of bubbles as it swims behind a mother and calf. The bubble curtain may be meant as warning or visual obstruction to other nearby male whales interested in the mother.
Species: Humpback whale, Megaptera novaeangliae
Location: Maui, Hawaii
Image ID: 05928
Mother and calf southern right whales are seen here as part of a larger courtship group, with adult males interested in mating with the mother. The calf has no choice but to stay by her mother's side during the courting activities.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38380
Dive boat Rocio del Mar anchored at Isla Angel de la Guarda at Sunset, Aerial Photo, Sea of Cortez, Mexico. Guardian Angel island is part of the Midriff Islands in Mexico's Sea of Cortez.
Location: Isla Angel de la Guarda, Baja California, Mexico
Image ID: 40370
Mating pair of Southern Right Whales, aerial photo. In this photo, the male is grasping the female with one of his pectoral fins as a prelude to copulation. By permission of the Government of Argentina, Chubut, permit # 51 / 2025-SsCyA.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 41196
Mating pair of Southern Right Whales, aerial photo. In this photo, the male is grasping the female with one of his pectoral fins as a prelude to copulation. By permission of the Government of Argentina, Chubut, permit # 51 / 2025-SsCyA.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 41197
Copulating Pair of Southern Right Whales, aerial photo.The male is at left, female at right, and the female's calf at upper right. By permission of the Government of Argentina, Chubut, permit # 51 / 2025-SsCyA.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 41219
Courting Trio of Gray Whales, Aerial Photo, San Diego. Courtship during the southern migration, far to the north of the Mexican lagoons of Baja California where most gray whale births take place.
Species: Gray whale, Eschrichtius robustus
Image ID: 41518
Western Grebes rushing across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic birds literally run across the surface of the water while their feet hit the water up to 20 times per second. The grebe on the left is "Hook" famous for the fishing hook and line embedded in the back of his head.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40843
Two Western Grebes in a Spectacular Rush Across the Surface of Lake Wohlford. Rushing is a courtship behavior among grebes and requires the aquatic birds to step as rapidly as 20 beats per second to walk across water in this way. Simply amazing.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40868
Western Grebe rushes across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic bird literally runs across the surface of the water while its feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 41539
San Diego city skyline at dusk, viewed from Harbor Island, the Star of India at right.
Location: San Diego, California
Image ID: 14533
Dana Point harbor and marina, with lots of boats, aerial photo.
Location: Dana Point, California
Image ID: 37976
Wreck of the Portland Maru, some structure still visible, Kangaroo Island, South Australia. The Portland Maru was a 117-meter Japanese cargo ship which struck a submerged object and was beached near Cape Borda, Kangaroo Island, on March 19, 1935.
Location: Wreck of the Portland Maru, Kangaroo Island, South Australia
Image ID: 39215