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Macrognathus : ウィキペディア英語版 | Macrognathus
''Macrognathus'' is a genus of eel-like fish of the family Mastacembelidae of the order Synbranchiformes. These fish are distributed throughout most of South and Southeast Asia. ''Macrognathus'' species feed on small aquatic insect larvae as well as oligochaetes.〔 ==Appearance and anatomy== Most ''Macrognathus'' species attain in length,〔 but a few surpass this size, with the largest being ''M. aral'' at up to .〔 ''Macrognathus'' are mostly similar to ''Mastacembelus''. However, they differ in a more modified rostrum, which may be slightly to significantly larger and longer than those found in ''Mastacembelus''. This serves not only to find food but also to help gather food.〔
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「Macrognathus」の詳細全文を読む
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