A marine fish of the family Crocodilidae in the order Lamniformes. Wani means shark. Fishermen call it Tobituki. It is found in many tropical and temperate open oceans around the world, and in Japan, it is found off the coast of central and southern Japan. It is a somewhat deep-sea fish, living in depths of up to 100m. It only grows to about 1m in length. It is characterized by large eyes, fang-like teeth, and short pectoral and caudal fins. The English name bigeye ragged-tooth shark comes from these characteristics. There may or may not be a white stripe on the side of the head in front of the gill slits. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ネズミザメ目ミズワニ科の海産魚。ワニはサメを意味する。漁業者はトビツキなどと呼ぶ。世界各地の熱帯から温帯にかけての外洋域に多く,日本では中部以南の沖合域に分布する。やや深海性で水深100m以下の海中に生息する。全長1mほどにしかならない。眼が大きく,歯がきば状で,胸びれや尾びれが短いなどが特徴。英名のbigeye ragged‐tooth sharkもこれによる。鰓孔(さいこう)の前方の頭部側面に白紋があったりなかったりする。
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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