African Knife Fish

The African Knifefish also known as the African Knife, Brown African Knife, and Black Knifefish, Clown Knife is pretty and graceful. It has the ability to swim backwards and forwards. They are nocturnal animals, and prefer ato come out at night. And lives where their is dense plant life. An ideal home for the Knifefish is a dark PVC tube. They like floating plants, and dark rocky substrates.The African Knifefish can grow to be quite large. When mature, they average 12 inches in length, which is much bigger than other knife species. They are still large fish and stays in large areas with only other large fish around. The Knifefish has one continuous fin in place of the caudal and anal fin, which looks like a knife. This fin is undulated enabling it to swim forward and backward. When not open the Knifefish's mouth looks small. It can open quite wide however to eat small fish. The African Knifefish has the unusual ability to produce sounds during mating and danger situations. The sounds are produced by pushing air through their swimbladders. African Knifefish, or Xenomystus nigri, are found in Africa and Southeast Asia. Their native habit generally consists of still waters. Credits Wikipedia and Google