A general term for fish belonging to the Gobiidae family of the Perciformes order. It is said that there are about 700 species confirmed in the world, forming one of the largest fish groups. They are mainly distributed from the tropics to temperate zones, and are particularly common in Southeast Asia. About 150 species live in Japan. Due to the large number of species, they have a wide variety of forms and ecology. In terms of habitat, there are some that live only in freshwater areas (donko (illustration), river goby), some that move between freshwater and saltwater as they grow (yoshinobori (illustration), ukigori (illustration)), some that live in brackish waters near river mouths (mahaze (illustration), shirouo (illustration)), and some that live in relatively deep waters offshore (ryugu goby, yami goby). Source: Heibonsha World Encyclopedia, 2nd Edition Information |
スズキ目ハゼ科Gobiidaeに属する魚類の総称。世界で確認されている種類は約700種に達するといわれ,魚類の中で,一つの大きな系統群を形成している。おもに,熱帯から温帯域にかけて分布し,とくに東南アジア地域に多く見られる。日本国内でも約150種が生息する。その種数の大きなことから,その形態,生態ともに多岐にわたる。 生息域についても,一生を淡水域だけにすむもの(ドンコ(イラスト),カワヨシノボリ),成長するに従って淡水域と海水域を往来するもの(ヨシノボリ(イラスト),ウキゴリ(イラスト)),河口近くの汽水域にすむもの(マハゼ(イラスト),シロウオ(イラスト)),沖合の比較的深いところにすむもの(リュウグウハゼ,ヤミハゼ)などがある。
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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