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Size (carapace length) 2 m.
Large sea turtles, the young covered with small polygonal shields, largest ones on the soft leathery carapace and plastron. Adult with smooth skin. Young with 7 dorsal keels on carapace and 5 on plastron, the keels covered by raised quadrangular scutes. More or less symmetrical plates or scutes on head, the occipital usually the largest. Tail very short. Arms large flattened paddles, legs shorter flattened paddles. Dorsally a slaty black with 3 or 4 longitudinal rows of small white spots extending, between each pair of carapace ridges. Ventrally pinkish white or white, usually with dark reticulation representing scale marks.
ระบบนิเวศ :
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Inhabits seas and oceans, eggs laying in hole-nests on sand beaches.