close-up view of a tropical freshwater fish redhook myleus (myloplus rubripinnis)

fish redhook myleus myloplus rubripinnis silver dollar brazil south america amazon orinoco french guiana fresh water aquarium pet animal close-up ecology serrasalmid spotted exotic macro nature salmler portrait wild wildlife outdoor fauna fishtank fish bowl aquatic close red silver diving snorkel swimming snout fin colorful dangerous mond-scheibensalmler haken-scheibensalmler myletes luna underwater tropical life gold