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Caiman (genus) : ウィキペディア英語版 | Caiman (genus)
''Caiman'' is a genus of caimans within the alligatorid subfamily Caimaninae. They inhabit Central and South America. They are relatively small crocodilians, with most species reaching lengths of only a few meters. ==Characteristics== Caimans are similar to alligators in morphology but differ in having bony plates, known as osteoderms, buried in the skin on the underside. The broad-snouted and spectacled caimans are characterised by having a bony ridge across the bridge of the nose just below the eyes. The Yacare caiman is the largest species in the genus, attaining an average adult length of , the spectacled caiman reaches , with the female rather smaller, and the broad-snouted caiman is the smallest, more typically measuring for males and for females.
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