sexual hooklet One of a series of tiny spines or hooks along the anteriormost rays of the ventral and anal fins of most male Characidae.
性钩沿著脂鲤科大多数雄鱼腹鳍和臀鳍最前面鳍条上所具有一钩。
sexual hooklet One of a series of tiny spines or hooks along the anteriormost rays of the ventral and anal fins of most male Characidae.
性钩沿著脂鲤科大多数雄鱼腹鳍和臀鳍最前面鳍条上所具有一钩。
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