臀棘 [
tún jí]
[昆] cremaster
- 初级区完全是淡水鱼的区域,仅有一点点的耐盐性,例如弓鳍鱼类、狗鱼类、大多数骨鳔首目的鱼、棘臀鱼类与真鲈类。
primary division The division of strictly freshwater fishes, having little salt tolerance, such as bowfins, pikes, most Ostariophysi, sunfishes , and darters. - 追随者一只小的雄鱼拟态成一条雌鱼,而且会尝试从一个产卵配对的成鱼身上偷偷地取得一个产卵机会,例如驼背棘臀鱼(棘臀鱼科)。
satellite A small male fish which mimics a female and attempts to sneak a spawning opportunity by darting in on an adult spawning pair, e. g. in Lepomis gibbosus (Centrarchidae).
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