Brown goby (kumohaze) - Kumohaze (English spelling)

Japanese: クモハゼ(雲沙魚) - クモハゼ(英語表記)brown goby
Brown goby (kumohaze) - Kumohaze (English spelling)
A fish of the family Goby in the order Perciformes (illustration). It is found from Chiba Prefecture southward, and its body color is highly variable and varies depending on the region, environment, and spawning season. It is characterized by the rear end of the first dorsal fin being continuous with the front end of the second dorsal fin, and the upper end of the pectoral fin having several free rays. It usually lives at the bottom of tide pools relatively high from the coastline, and if it senses human movement it will quickly retreat under a rock or somewhere similar. Males are usually larger than females. When they grow to over 3 cm, it is easy to distinguish between males and females by the presence of the male's sperm vesicle.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
スズキ目ハゼ科の魚(イラスト)。千葉県以南に分布し,体の色彩は地域,環境,産卵期などで変化に富み一定しない。第1背びれの後端と第2背びれの前端が連続し,胸びれの上端部の数条が遊離しているのが特徴である。ふつう,海岸線から比較的高い潮だまりの底に生活しており,人のけはいを察知するとすばやく石の下などに逃げ込む。ふつう,雄のほうが雌よりも大きい。3cmを超えると雄の貯精囊の存在によって容易に雌雄の判別が可能である。

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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