White Ghost Knife - Apteronotus albifrons - Small

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Brown Ghost Knifefish are very unique and interesting fish. Knifefish have the ability to produce a weak electrical current that they use for navigation and hunting. These fish are black in color, and have an anal fin that extends almost the entire length of the body. The tail is small and thin, and there is no dorsal fin. As their name suggests, knife fish are knife-shaped.

They are slow, graceful swimmers. Choose tankmates that are not nippy or inclined to chase the fish as it will not be able to swim quickly enough to get away. Even though they are peaceful fish it is not recommended that you keep them with smaller fish, as the knife will sometimes harass them.

Be sure to provide a cave or tube that allows the knife to hide. They are secretive fish and will become stressed if unable to find a secure hiding place. They are sensitive to poor water quality, and so require excellent filtration and regular aquarium maintenance.