Black ghost knifefish

White-fronted knife fish ( Apteronotus albifrons )

The white forehead - knife fish ( Apteronotus albifrons ) is a freshwater fish belonging to the order Neuwelt knife fish ( Gymnotiformes ). He arrives in South America east of the Andes before the Orinoco to the Rio de la Plata and the west of the Andes located Magdalena River.

Features

White-fronted knife fish have an elongated, laterally strongly flattened body. A small tail fin is present. Dorsal and ventral fins are missing. The fish are about 50 cm long. The long, almost the entire length of the body extending anal fin is the main driver of said fish. It allows them forward as well to swim through undulations both backwards. The white forehead black knife fish is colored blue to dark brown. The only color markings are two white bands around the tail fin shaft and a narrow white line on the forehead. The fish have a weak electrical organ that consists of converted nerve cells and extends to the tail.

Way of life

White-fronted knife fish live exclusively in rivers with strong currents and sandy soil. They are nocturnal and feed mainly on insect larvae.