肺鱼
4.Any of various extinct lungfishes of the genus Ceratodus, of the Triassic and Cretaceous periods.
5.Any of various fishes of the group Dipnoi, which includes the lungfishes, characterized by modified lungs that enable them to breathe atmospheric air.
8.The lungfish can live out of water in a state of suspended animation for three years.
9.Any of several elongated freshwater fishes of the Amazon, western and central Africa, and Australia that have lunglike organs as well as gills and are able to breathe air, allowing certain species to survive periods of drought inside a mucus-lined cocoon in the mud.
10.air-breathing fish having an elongated body and fleshy paired fins; certain species construct mucus-lined mud coverings in which to survive drought.
