THE BLACK GHOST KNIFE FISH BY: BRIAN COMISAR
The Black Ghost Knife Fish, A.K.A. Apteronotidae, belongs to the speckled Knife Fish group. It eats live foods like meat, chopped earthworms, plus frozen flaked foods. Its approximate size is from 1-1/2" to 4-5" but can grow to 1'6". It hides behind various roots and rocks. The Black Ghost Knife Fish is aggressive towards smaller or similar sized fish.