鰻(うなぎ)eel (esp. the Japanese eel, Anguilla japonica)

鰻(うなぎ)は円筒(えんとう)形(がた)で細長(ほそなが)く、腹(はら)ビレがありません。

Eels, especially the Japanese eel, Anguilla japonica, are cylindrical and long, and do not have belly fins. {eel (esp. the Japanese eel, Anguilla japonica)}

体表(たいひょう)がぬるぬるとしている鰻(うなぎ)を掴(つか)むのは難(むずか)しいです。

It is difficult to grab an eel, especially the Japanese eel, Anguilla japonica, because its body is slimy. {eel (esp. the Japanese eel, Anguilla japonica)}

鰻(うなぎ)の肉(にく)は脂肪(しぼう)に富(と)んでおり、その美味(おい)しさで有名(ゆうめい)である。

The meat of the eel, especially the Japanese eel, Anguilla japonica, is rich in fat and famous for its deliciousness. {eel (esp. the Japanese eel, Anguilla japonica)}

さっきまで元気(げんき)に泳(およ)いでいた鰻(うなぎ)が今(いま)は蒲焼(かばや)きとなってしまった。

The eel, especially the Japanese eel, Anguilla japonica, which was swimming energetically until a while ago, has now unfortunately turned into grilled eel. {eel (esp. the Japanese eel, Anguilla japonica)}

川(かわ)や湖(みずうみ)、沼(ぬま)に住(す)んでいる鰻(うなぎ)は、卵(たまご)を産(う)むために海(うみ)に下(くだ)るそうです。

It seems that eels, especially the Japanese eel, Anguilla japonica, that live in rivers, lakes, and swamps, descend to the sea to lay their eggs. {eel (esp. the Japanese eel, Anguilla japonica)}