A general term for marine fishes of the Fistulariidae family in the order Syngnathidae. In Japan, two species are known: the red Fistularia petimba (illustration) and the blue Fistularia villosa . Both have a very long, rod-like body with an almost identical dorsal and anal fin positioned opposite each other at the rear, hence the name "arrow shaft." The body is flattened vertically, with a tubular snout that opens at the tip and two soft rays extending from the center of the caudal fin. It reaches a body length of 1.5m. It is found in coastal waters from central Honshu southward through the tropical Indian and Pacific Oceans. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ヨウジウオ目ヤガラ科Fistulariidaeの海産魚の総称で,日本ではアカヤガラFistularia petimba(イラスト)とアオヤガラF.villosaの2種が知られる。いずれもはなはだ細長い棒状の体をもち,その後部にほぼ同形の背びれとしりびれが対置するので〈矢柄〉の名がある。また,体は縦扁し,吻(ふん)が管状にのびて先端に口が開き,尾びれ中央の2軟条が伸長する。体長1.5mに達する。本州中部以南からインド洋,太平洋の熱帯にかけて分布し,沿岸水域にすむ。
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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