鳉鱼属于鳉科的许多种小型鱼，包括虹鳉和蚊鱼，主要栖居在温暖地带的淡水和咸水中。

Any of numerous small fishes of the family Cyprinodontidae, including the guppy and mosquito fish, inhabiting chiefly fresh and brackish waters in warm regions.

youdao

鳉鱼属于鳉科的许多种小型鱼，包括虹鳉和蚊鱼，主要栖居在温暖地带的淡水和咸水中。

Any of numerous small fishes of the family Cyprinodontidae, including the guppy and mosquito fish, inhabiting chiefly fresh and brackish waters in warm regions.

youdao