Black Ghost Knifefish Apteronotus albifrons

Black Ghost Knifefish
Black Ghost Knifefish
The Black Ghost Knifefish is native to fast-moving freshwater of the northern half of South America. Like other Ghost Knifefish in Central/South America, they are nocturnal and slightly electric, using their electric field to locate invertebrate prey and to communicate with their kind.
Black Ghost Knifefish
Black Ghost Knifefish
Black Ghost Knifefish
They are black with a white patch on the snout (from small to a long streak along the back) and two white bars on the tail end. They grow to half a meter long.
Black Ghost Knifefish
Black Ghost Knifefish
Black Ghost Knifefish
Like other knifefish, they move silently by undulating the ribbonlike elongated anal fin. The knife name is after the shape of the fish and its ribbonlike "blade".