Like guppies , male crickets compete for female favour-though by virtuoso chirping , rather than visual displays .

像孔雀鱼一样，雄性蟋蟀也要争夺雌性的青睐，虽然他们使用的是音乐大师般地动听啁啾，而不是视觉盛宴。

Researchers believe the guppies are using sex as a way of suppressing the native fish population .

研究人员相信虹将性攻击作为抑制本地鱼数量的一种方式。

If one of your large guppies gets hungry , you can feed it a star potion and it will turn into a starfish .

如果你在大型古比鱼饥饿的时候喂给它一瓶星星药剂，它就会变成一条星星鱼。

Dr evans 's research suggests that male guppies invest selectively in one of two different stages of the sexual competition .

埃文斯博士的研究表明，雄性孔雀鱼有选择性地投入到两种不同的交配权争夺行为中的一种。

Pickled specimens - popular from 1900 to 1930 - were used by scientists as a teaching tool and the range of pickled subjects range from sliced heads of dogs to rats and guppies .

流行于1900年至1930年，科学家曾将它们作为教学工具，而浸制标本对象包括从狗头、鼠类到虹鱼的切片。