Dai Polypterus dei's (definite introduction)
Polypterus dei's polypterus is also known as a living fish fossil, and Polypterus dei's can be raised as a reference fish. Their larvae have external gills. Fish can breathe air and can tolerate water with low dissolved oxygen. The polypterid fish belongs to the family Polypteridae of the order Polypteridae of the ray-finned fish class.
Kingdom:Animalia
Phylum:Chordata
Class :Actinopterygii
Order:Polypteriformes
Family:Polypterygii Family Polypteridae
Genus:Polypterus
Species:P. delhezi
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