Appearance There seems to be an endless list of interesting facts about the black ghost knifefish, and we have another one to add to the list .They do not …

Appearance There seems to be an endless list of interesting facts about the black ghost knifefish, and we have another one to add to the list .They do not …

Appearance The silver arowana is considered a real prize in the fish keeping world. Their large size and silver-colored scales make them a real beauty. One of the most …