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The duckbill eels or witch eels are a family, Nettastomatidae, of eels. The name is from Greek ''netta'' meaning "duck" and ''stoma'' meaning "mouth". Duckbill eels are found along the continental slopes of tropical and temperate oceans worldwide. They are bottom-dwelling fish, feeding on invertebrates and smaller fish. They are slender eels, up to in length, with narrow heads and large, toothy, mouths. Most species lack pectoral fins. ==Species== There are about forty species in seven genera: * Genus ''Facciolella'' * Genus ''Hoplunnis'' * Genus ''"Leptocephalus"'' * Genus ''Nettastoma'' * Genus ''Nettenchelys'' * Genus ''Saurenchelys'' * Genus ''Venefica'' 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「Nettastomatidae」の詳細全文を読む スポンサード リンク
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