Black Ghost Knife fish

The Black Ghost Knifefish is a nocturnal, intelligent knifefish that requires cover and can grow up to 14 inches. It uses electrical discharges to navigate and hunt, and is best kept alone in the aquarium.

• The description claims that Black Ghost Knifefish are outcompeted for food by more aggressive tankmates.
• The description claims that this species is territorial and best kept one per aquarium.