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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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Green turtles (Chelonia mydas) live in the warm coastal waters of tropical and subtropical oceans. Adults sometimes eat sponges, salps (floating jelly-like animals), and jellyfish, but they feed mostly on plants, like seagrass and algae. The pigment f
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Meet the Seven Sea Turtle Species

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the skull of a mosasaur
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A Mosasaur's Bite

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a sea turtle swims toward the surface
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Sea Turtle Goes Up for Air

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Giant tortoise habitat on Galapagos Islands.
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Cerro Azul, Isabela Island, Galapagos Islands

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Unlike the other six species of marine turtle, the Australian flatback (Natator depressus) has a very limited distribution, found only from northern Australia to Papua New Guinea/Indonesia and it only breeds in Australia. Flatback turtles tend to spend mos
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Flatback Sea Turtle

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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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Green turtles (Chelonia mydas) live in the warm coastal waters of tropical and subtropical oceans. Adults sometimes eat sponges, salps (floating jelly-like animals), and jellyfish, but they feed mostly on plants, like seagrass and algae. The pigment f
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Green Turtle

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A newly hatched leatherback turtle moves in the sand.
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Habitat for Leatherback Turtles

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The Papahanaumokuakea site in the United States was inscribed on the World Heritage List in 2010. The site is a vast isolated cluster of small low-lying islands and atolls surrounded by ocean that provides safe habitat for endangered species like the green
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Papahanaumokuakea, United States

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