#polypterus
Polypterus
Genus of fishes
Polypterus is a genus of freshwater fish in the bichir family (Polypteridae) of order Polypteriformes. The type species is the Nile bichir. Fish in this genus live in various areas in Africa. Polypterus is the only known vertebrate to have lungs, but no trachea.
Sat 23rd
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