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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Peruvian skate ： ウィキペディア英語版 Peruvian skate The Peruvian skate (''Bathyraja peruana'') is a large skate found in the southeast Pacific Ocean, off the coasts of Peru, Ecuador, and Chile. It can grow to an estimated total length,〔 and across.〔Based on 1.15 TL to width ratio reported in McEachran and Miyake, 1984〕 It is known to be a deepwater species; the holotype was caught at a depth of , and is generally found at depths of .〔 Very little is known about its biology.〔 == Description == It has a lozenge-shaped disc and a maximum length of . The margin of the disc is almost straight from the tip of the snout to the tip of the disc, with a slight convexity from the level of the nostrils to the level of the gills. The straight disc margin can be used to distinguish ''B. peruana'' from ''B. aguja'' which has undulating margins. Coloration on most of the surface is brownish-grey, but ranges from brown to yellow on the margins of the nostrils, mouth, pelvic fins, and base of the tail. The disc has dermal denticles but generally lacks thorns (some specimens have small thorns just anterior to the axil of the pectoral fins). The tail has 25 small, oval-based midrow thorns. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Peruvian skate」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.