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Hawksbill turtles (Eretmochelys imbricata) are small to medium-sized turtles, but can get as large as 200 lbs (91 kg). Adults live among healthy coral reef communities, feeding primarily on sponges, but they also eat other invertebrates like sea cucumbers,
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Hawksbill Turtle

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The head of a turtle-headed sea snake.
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A Turtle or a Sea Snake?

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Adult green sea turtles spend most of their time grazing in seagrass meadows.
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Green Turtle in Seagrass

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Sea Turtle
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Green Sea Turtle

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A marine iguana looks off in the distance.
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Marine Iguanas: One Species at a Time

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a diagram of heat flow in a turtle's flipper
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Counter-current Heat Exchange

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A sea turtle swims with its arms wide.
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Turtle in Flight

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Olive ridley turtles (Lepidochelys olivacea) are the smallest marine turtle, living in warm waters close to shore as adults. Female olive ridleys take part in mass nestings that can involve 150,000 individual turtles crawling up a beach at night to find a
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Olive Ridley Turtle

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Leatherback turtles (Dermochelys coriacea) are the largest sea turtles, growing as long as six and a half feet (2 m) and weighing some 2,000 pounds (900 kg). They’re unlike the other marine turtles in two important ways: they have a thick leathery carapa
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Leatherback Turtle

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Kemp’s ridley turtles (Lepidochelys kempii) are the smallest sea turtles, weighing only 100 lbs (45 kg). Adults spend most of their time in shallow coastal areas in places with mud, sand, or gravel bottoms—often in seagrass beds. They eat swimming crab
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Kemp's Ridley Turtle

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An American crocodile rests on a bed of seagrass.
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American Crocodile

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Sunset over a fishing net.
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Technology and Sea Turtles

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