polypterus bichir मीनिंग इन हिंदी

Some freshwater species ( and the blacktip shark, a marine species ) are hardy enough or survive better in brackish water, such as " Polypterus bichir ", certain gobies.
""'Polypterus bichir lapradei " "'is a subspecies of freshwater fish in the family Polypteridae . " P . bichir lapradei " are demersal, primitive, and popular with experienced aquarists.