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The narrownecked oceanic eel, ''Derichthys serpentinus'', is a longneck eel, the only species in the genus ''Derichthys'', found in all oceans in depths between 500 and 2,000 m. Their length is up to 40 cm. The skin is scaleless and red-brown. It lives on the bottom at great depths. ==References== * * * Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8 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「Narrownecked oceanic eel」の詳細全文を読む スポンサード リンク
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