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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 Toothed seadevil ： ウィキペディア英語版 Toothed seadevil The toothed seadevil, spiny seadevil or netbeard seadevil, ''(Neoceratias spinifer)'', is a rarely seen deep-sea anglerfish found in the mesopelagic and bathypelagic zones of the western central Pacific Ocean. It is the only species in the family Neoceratidae, and is unique amongst the deep-sea anglerfish in lacking an illicium and esca (the "fishing rod" and "lure"), and in having large teeth placed on the outside of its jaws.〔Pietsch, Theodore W. (2005). (Neoceratias spinifer. Needlebeard Seadevils. ) Version 6 November 2005 (under construction). (Tree of Life Web Project ).〕 ==Description== Adult female toothed seadevils have slender, elongate bodies up to long. They are dark red-brown to black in color, with naked skin. The mouth is large and extends well past the small eye; the jaws have an inner row of short, straight, widely spaced, immobile teeth. On the outside of the jaws, there are prominent conical outgrowths that bear 2-3 straight teeth, the longest of which reach almost 15% the length of the entire body. Each of these teeth is hinged at the base, with well-developed musculature and a tiny hook at the end. The illicium, or lure, is absent, along with the trough in which it rests in other deep-sea anglerfishes. There are a pair of prominent nasal papillae on the snout; nostrils and olfactory lamellae are absent. Both the males and larvae differ from other deep-sea anglerfish in having slender bodies. Mature males are only known from parasitic specimens already attached to the females. The largest known specimen is 18 mm long. They are lighter in color than the females and have semitranslucent skin. They are attached to the females by outgrowths of the snout and lower jaw; the olfactory organs are absent and the eyes are degenerate and covered with skin. The larvae are 4-10 mm long, with well-developed olfactory organs and no sexual dimorphism.〔 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「Toothed seadevil」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.