小型软鳍鱼类的一个大科； 淡水鳉科小鱼； 花尾汤鲤； 剑尾蝽； 古比鱼。
Any of several small New World freshwater fishes of the genus Fundulus, related to the killifishes.
像古比鱼一样，雄性蟋蟀之间会相互竞争以得到雌性的青睐---只是不是通过视觉上的表现，而是通过富有艺术性的鸣叫。
Like guppies, male crickets compete for female favour--- though by virtuoso chirping, rather than visual displays.
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