Leptocephalus

（重定向自Leptocephali）

Leptocephalus (meaning "slim head") is the flat and transparent larva of the eel, marine eels, and other members of the superorder Elopomorpha. This is one of the most diverse groups of teleosts, containing 801 species in 24 orders, 24 families, and 156 genera. This group is thought to have arisen in the Cretaceous period over 140 million years ago. Fishes with a leptocephalus larval stage include the most familiar eels such as the conger, moray eel, and garden eel, and the freshwater eels of the family Anguillidae, plus more than 10 other families of lesser-known types of marine eels. These are all true eels of the order Anguilliformes. The fishes of the other four traditional orders of elopomorph fishes that have this type of larvae are more diverse in their body forms and include the tarpon, bonefish, spiny eel, and pelican eel.

单词	Leptocephali
释义	Leptocephali 原声例句双语版 TED-Ed 演讲精选 For the next 18 years, this Danish oceanographer trawled the coasts of four continents, hunting down increasingly tiny leptocephali. 在接下来的 18 年里，这位丹麦海洋学家在四大洲的海岸进行了拖网捕鱼，捕捉到越来越小的细鳞鱼。双语版 TED-Ed 演讲精选 Researchers were aware of leptocephali and glass eels, but no one guessed they were related to the elvers and yellow eels living hundreds of kilometers upstream. 研究人员知道细叶鳗和玻璃鳗，但没有人猜到它们与白叶鳗和黄鳗有关，后者生活在上游数百公里处。英语百科 Leptocephalus （重定向自Leptocephali） Leptocephalus (meaning "slim head") is the flat and transparent larva of the eel, marine eels, and other members of the superorder Elopomorpha. This is one of the most diverse groups of teleosts, containing 801 species in 24 orders, 24 families, and 156 genera. This group is thought to have arisen in the Cretaceous period over 140 million years ago. Fishes with a leptocephalus larval stage include the most familiar eels such as the conger, moray eel, and garden eel, and the freshwater eels of the family Anguillidae, plus more than 10 other families of lesser-known types of marine eels. These are all true eels of the order Anguilliformes. The fishes of the other four traditional orders of elopomorph fishes that have this type of larvae are more diverse in their body forms and include the tarpon, bonefish, spiny eel, and pelican eel.
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