他们看到,如果雌鱼吃了对虾——即使是在这个陌生的实验室环境中——雄性裂唇鱼也会惩罚或驱赶雌鱼。
They saw that the male cleaner fish — even in this unfamiliar lab setting — would punish or chase away the female fish if the females ate a prawn.
如果有机会的话,雌鱼就把卵吃掉。
每当看见雌鱼它都会直接游过去求爱。
When he sees her, he goes straight to the courtship acrobatics.
求爱成功了,雌鱼正在排卵。
体型稍大的雌鱼会在离开巢穴在附近休息。
雌鱼在口中孵化鱼卵。
只养殖了雌鱼和绝育鱼,仅有一小部分仍能繁殖。
The fish would be bred female and sterile, though a very small percentage might still be able to breed.
一些尝试依靠求爱打败别的雄性来得到拥有雌鱼的机会。
“雌鱼实际上是把其终生积累的那种脂溶性东西全部倾倒给自己的幼子,”他说,一代比一代传送的更多。
"What she's actually doing is dumping her lifetime accumulation of that fat-soluble stuff into her baby," he said, and each generation passes on more to the next.
对转化雌鱼的生殖障碍及其原因,同时对YY型雌鱼的F1中出现极少数雌鱼的例外现象,作了初步解释。
The paper also preliminarily explained the reproductive hindrance of the reversal females and its causes, the occurence of very few females among the F1 offsprings of YY type females.
施氏鲟性成熟晚,性腺发育时间较长,雌鱼成熟需9~11年,雄鱼则为6~7年,而人工养殖的雌鱼性成熟提前1~2年。
The female need 9~11 years and the male need 6~7 years while the cultured female 1-2 years earlier.
只有雌性安康鱼的背部才长有的一根尖刺是雌鱼最大的特征,这根刺在鱼嘴上方伸出,就像一根钓鱼竿---安康鱼由此得名。
Their most distinctive feature, worn only by females, is a piece of dorsal spine that protrudes above their mouths like a fishing pole—hence their name.
结果,浅水中的雌鱼注意到蓝色雄鱼时更适意,而深水雌鱼将更宠爱红色雄鱼,该小组的工作将在明天发行的《自然》杂志上报道。
As a result, females in shallow water would have an easier time noticing blue males, and deep-water females would have favored red males, the team reports in tomorrow's issue of Nature.
雄鱼一旦安顿下来,研究者会向它介绍雌鱼,它很快把自己埋入沙中,以大约每秒一百次的频率,振动自己的鱼鳔,借此来演唱情歌。
Once a male is settled, he's introduced to a female, and soon digs himself in to start humming his love song by vibrating his swim bladder—about a hundred times a second.
他以鱼类为食,吃海星、颌针鱼、螃蟹、比目鱼、鲽、雅罗鱼,也吃雄鳐和雌鳐鱼,还吃鲐鱼、小狗鱼以及身子扭来扭去的鳗鲡。
He ate the starfish and the garfish, and the crab and the dab, and the plaice and the dace, and the skate and his mate, and the mackereel and the pickereel, and the really truly twirly-whirly eel.
他以鱼类为食,吃海星、颌针鱼、螃蟹、比目鱼、鲽、雅罗鱼,也吃雄鳐和雌鳐鱼,还吃鲐鱼、小狗鱼以及身子扭来扭去的鳗鲡。
He ate the starfish and the garfish, and the crab and the dab, and the plaice and the dace, and the skate and his mate, and the mackereel and the pickereel, and the really truly twirly-whirly eel.
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