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Kemp's ridley sea turtle
Kemp's ridley sea turtle (''Lepidochelys kempii'' ), or the Atlantic ridley sea turtle, is the rarest species of sea turtle and is critically endangered. It is one of two living species in the genus ''Lepidochelys'' (the other one being ''L. olivacea'', the olive ridley sea turtle).
==Anatomy==
Kemp's ridley is a small sea turtle species, reaching maturity at carapace length and weighing only .〔Conant R. (1975). ''A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition.'' Boston: Houghton Mifflin. xviii + 429 pp. + Plates 1-48. ISBN 0-395-19979-4 (hardcover), ISBN 0-395-19977-8 (paperback). (''Lepidochelys kempi'', pp. 75-76 + Plate 11).〕 Typical of sea turtles, it has a dorsoventrally depressed body with specially adapted flipper-like front limbs and a beak. The Kemp's ridley turtle is the smallest of the sea turtles, with adults reaching a maximum of in carapace length and weighing a maximum of .〔 The adult Kemp's ridley has an oval carapace that is almost as wide as it is long and is usually olive-gray in color. The carapace has five pairs of costal scutes. In each bridge adjoining the plastron to the carapace, there are four inframarginal scutes, each of which is perforated by a pore. The head has two pairs of prefrontal scales. Hatchlings are black on both sides. The Kemp's ridley has a triangular-shaped head with a somewhat hooked beak with large crushing surfaces. This turtle is a shallow water benthic feeder with a diet consisting primarily of crabs.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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