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Venus comb murex.  Scientists speculate that the distinctively long and narrow spines are a protection against fish and other mollusks and prevent the mollusk from sinking into the soft, sandy mud where it is commonly found, Murex pecten
Venus comb murex. Scientists speculate that the distinctively long and narrow spines are a protection against fish and other mollusks and prevent the mollusk from sinking into the soft, sandy mud where it is commonly found.
Species: Venus comb murex, Murex pecten
Image ID: 12970  
Sea Urchin Detail, Sea of Cortez, Mexico, Isla San Francisquito, Baja California
Sea Urchin Detail, Sea of Cortez, Mexico.
Location: Isla San Francisquito, Baja California, Mexico
Image ID: 33648  
Red barrel flower bloom, cactus detail, spines and flower on top of the cactus, Glorietta Canyon, Anza-Borrego Desert State Park, Ferocactus cylindraceus, Borrego Springs, California
Red barrel flower bloom, cactus detail, spines and flower on top of the cactus, Glorietta Canyon, Anza-Borrego Desert State Park.
Species: Red barrel cactus, Ferocactus cylindraceus
Location: Anza-Borrego Desert State Park, Borrego Springs, California
Image ID: 24303  
Red barrel cactus detail, spines on top of the cactus, Glorietta Canyon, Anza-Borrego Desert State Park, Ferocactus cylindraceus, Borrego Springs, California
Red barrel cactus detail, spines on top of the cactus, Glorietta Canyon, Anza-Borrego Desert State Park.
Species: Red barrel cactus, Ferocactus cylindraceus
Location: Anza-Borrego Desert State Park, Borrego Springs, California
Image ID: 24308  
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 26773  
Sea Urchin Detail, Sea of Cortez, Mexico, Isla San Francisquito, Baja California
Sea Urchin Detail, Sea of Cortez, Mexico.
Location: Isla San Francisquito, Baja California, Mexico
Image ID: 33647  
Sea Urchin Detail, Sea of Cortez, Mexico, Isla San Francisquito, Baja California
Sea Urchin Detail, Sea of Cortez, Mexico.
Location: Isla San Francisquito, Baja California, Mexico
Image ID: 33649  
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 26742  
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 11981  
Red barrel flower bloom, cactus detail, spines and flower on top of the cactus, Glorietta Canyon, Anza-Borrego Desert State Park, Ferocactus cylindraceus, Borrego Springs, California
Red barrel flower bloom, cactus detail, spines and flower on top of the cactus, Glorietta Canyon, Anza-Borrego Desert State Park.
Species: Red barrel cactus, Ferocactus cylindraceus
Location: Anza-Borrego Desert State Park, Borrego Springs, California
Image ID: 24309  
Teddy-Bear cholla blooms in spring. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla blooms in spring. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 11934  
Teddy-Bear cholla blooms in spring. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla blooms in spring. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 11935  
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 11979  
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 11980  
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 11982  
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 11983  
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla cactus. This species is covered with dense spines and pieces easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 11984  
Venus comb murex.  Scientists speculate that the distinctively long and narrow spines are a protection against fish and other mollusks and prevent the mollusk from sinking into the soft, sandy mud where it is commonly found, Murex pecten
Venus comb murex. Scientists speculate that the distinctively long and narrow spines are a protection against fish and other mollusks and prevent the mollusk from sinking into the soft, sandy mud where it is commonly found.
Species: Venus comb murex, Murex pecten
Image ID: 12971  
California sea cucumber.  Sea cucumbers are related to sea stars and sea urchins. The sharp looking spines are soft to the touch and disappear into the skin when disturbed. If this visual defense doesnt work, the sea cucumber will expel its respiratory system. When this occurs in the wild it can regrow the lost organs, Parastichopus californicus
California sea cucumber. Sea cucumbers are related to sea stars and sea urchins. The sharp looking spines are soft to the touch and disappear into the skin when disturbed. If this visual defense doesnt work, the sea cucumber will expel its respiratory system. When this occurs in the wild it can regrow the lost organs.
Species: California sea cucumber, Parastichopus californicus
Image ID: 13732  
California sea cucumber.  Sea cucumbers are related to sea stars and sea urchins. The sharp looking spines are soft to the touch and disappear into the skin when disturbed. If this visual defense doesnt work, the sea cucumber will expel its respiratory system. When this occurs in the wild it can regrow the lost organs, Parastichopus californicus
California sea cucumber. Sea cucumbers are related to sea stars and sea urchins. The sharp looking spines are soft to the touch and disappear into the skin when disturbed. If this visual defense doesnt work, the sea cucumber will expel its respiratory system. When this occurs in the wild it can regrow the lost organs.
Species: California sea cucumber, Parastichopus californicus
Image ID: 13733  
Starfish (sea star), dorsal surface detail including spines and pincers, Pisaster giganteus, La Jolla, California
Starfish (sea star), dorsal surface detail including spines and pincers.
Species: Giant sea star, Pisaster giganteus
Location: La Jolla, California
Image ID: 07013  
Starfish (sea star), dorsal surface detail including spines and pincers, Pisaster giganteus, La Jolla, California
Starfish (sea star), dorsal surface detail including spines and pincers.
Species: Giant sea star, Pisaster giganteus
Location: La Jolla, California
Image ID: 07014  
Small fish trapped in spines of unidentified urchin, San Miguel Island
Small fish trapped in spines of unidentified urchin.
Location: San Miguel Island, California
Image ID: 07016  
Teddy-Bear cholla is covered with dense spines. Pieces of this species easily detach and painfully attach to the skin of distracted passers-by, Opuntia bigelovii, Joshua Tree National Park, California
Teddy-Bear cholla is covered with dense spines. Pieces of this species easily detach and painfully attach to the skin of distracted passers-by.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 09122  
The Teddy-Bear chollas dense array of spines is clearly apparent, Opuntia bigelovii, Joshua Tree National Park, California
The Teddy-Bear chollas dense array of spines is clearly apparent.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 09133  
The Teddy-Bear chollas dense array of spines is clearly apparent, Opuntia bigelovii, Joshua Tree National Park, California
The Teddy-Bear chollas dense array of spines is clearly apparent.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 09134  
The Teddy-Bear chollas dense array of spines is clearly apparent, Opuntia bigelovii, Joshua Tree National Park, California
The Teddy-Bear chollas dense array of spines is clearly apparent.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 09135  
The Teddy-Bear chollas dense array of spines is clearly apparent, Opuntia bigelovii, Joshua Tree National Park, California
The Teddy-Bear chollas dense array of spines is clearly apparent.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 09136  
The Teddy-Bear chollas dense array of spines is clearly apparent, Opuntia bigelovii, Joshua Tree National Park, California
The Teddy-Bear chollas dense array of spines is clearly apparent.
Species: Teddy-bear cholla, Opuntia bigelovii
Location: Joshua Tree National Park, California
Image ID: 09137  

Natural History Photography Blog post related to Spines
Anza-Borrego Desert Wildflower Update