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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 Spiny catfish ： ウィキペディア英語版 Spiny catfish ''Platydoras cataphractus'' also known as the Spiny catfish is a species of thorny catfish found in rivers of Bolivia, Brazil, Colombia, French Guiana, Guyana, Peru, and Suriname. This species grows to in SL. This fish is found in the aquarium trade.〔Sabaj Pérez, M.H. (2014): On the identity of Catesby’s fish in armour, ''“Cataphractus Americanus”'' (Siluriformes: Doradidae). ''Proceedings of the Academy of Natural Sciences of Philadelphia, 163: 119-132.''〕 ==Ecology== ''P. cataphractus'' is abundant in calm waters of swamps and mangroves. Omnivorous, they feed mainly on detritus; these fish search for food by digging in the sediment. They are nocturnal; during the day, they lie hidden in the underwater roots and stocks. The spiny catfish is able to produce sounds; every basic unit of the sound they emit when they move their pectoral spine lasts 100-200 milliseconds and has a frequency of 170-250 hertz. 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「Spiny catfish」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.