Black-finned Brycon Brycon melanopterus

Black-finned Brycon
Black-finned Brycon
Black-finned Brycon
There are several Brycon species, all unassuming, silvery, medium-sized fish native to Central and South American fresh waters. The Black-finned Brycon is native to the central Amazon and grows to some 40cm.
Black-finned Brycon
Black-finned Brycon
Black-finned Brycon
It is also called the Sickle-backed Brycon, both that and its Black Fin names being a result of its black marking on its anal fin followed by black marking on the upper half of its tail fin.
Black-finned Brycon
Black-finned Brycon
Black-finned Brycon
It is a fast swimmer, able to leap out of the water for low-hanging fruit and seeds. Diet is mainly fruit, seeds and plant matter but includes crustaceans and other invertebrates.
Brycons
Brycons and Dusky Narrow Hatchetfish
Brycons
The photos above include a Black-finned Brycon in the foreground with another Brycon species (with a different tail fin pattern) in the background.