A marine fish of the family Perciformes, family Pontedera (illustration). Also known as Isagi. Found in areas south of central Honshu, the East China Sea, and Taiwan, but mostly in areas with strong warm current influence. Known by various local names, such as Issaki in Kyushu and Okuseigo in Tohoku. Juveniles have three distinct dark brown vertical stripes on their sides, but when they reach a body length of 20 cm, these gradually become indistinct and disappear. They reach a total length of 40 cm. Juveniles form large schools in coastal reef areas, but as they grow, they live in the crevices of rocks offshore. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
スズキ目イサキ科の海産魚(イラスト)。別名イサギ。本州中部以南,東シナ海,台湾などに分布するが,暖流の影響の強いところに多い。九州でイッサキ,東北でオクセイゴなど地方により多くの呼び方がある。幼魚の体側には明りょうな3本の暗褐色の縦帯があるが,体長20cmを超えるころからしだいに不明りょうになり消失する。全長40cmに達する。幼魚は沿岸の岩礁域で大きな群れをつくっているが,成長すると沖の根の岩の割れ目などにすむ。
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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