…It has no pelvic fins, but its dorsal and anal fins are large and extend vertically to the body axis, and its caudal fin has degenerated into a pleated shape, called a rudder fin. At first glance, it looks like it has only a head, so it is also called a headfish in English. Its skin is thick and rubbery, and is covered all over with fine teeth. … *Some of the terminology that mentions "headfish" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…腹びれはなく,背びれとしりびれは大きく体軸に対し垂直方向に長くのびていて,尾びれは退化してひだ状をなし,舵(かじ)びれと呼ばれる。一見,頭だけのようなので英語でheadfishともいう。皮膚はゴムのような感じで厚く,一面にこまかい歯状突起でおおわれている。… ※「headfish」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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