silver arowana, a popular ornamental fish, tropical fish from the amazon basin of america

amazon america american animal animals aquaculture aquarium arawana arowana arowanas barbels basin bicirrhosum bone bony bonytongue essequibo exotic eye face fish fishes fresh freshwater funny head ichthyology large life long marine ornamental osteoglosae osteoglossum oyapock pet pets popular portrait river rivers silver tongue tongued tongues tropical water zoology