CLOWN KNIFE medium

Knifefish or Knife Fish is a descriptive of the shape of the fish not the order..Knifefish may refer to several knife-shaped fishesi in the Osteoglossiforms and Gymnotiformes oders.. Knifefish have a long, tapered, and laterally compressed body shape. This along with a continually moving fin on their underside.. A large aquarium to show them off is a nescessity for many of these species..