Knifefish: Clown

Chitala ornata

Clown Knifefish are very distinct, with a flat, silvery fish with long anal fin that gives the knifefish its common name; tiny dorsal fin and 5-10 black spots ringed with white distinguish it from all other fish in Florida; juveniles possess dark vertical bands instead of spots; long anal fin equally allows for forward and backward movements.

Size and Lifespan

Clown Knifefish can grow up to 24-30 inches in captivity. They can live for 10-15 years, making them a long-term commitment and a standout addition to large aquariums.

Tank Size and Requirements

The minimum tank size is 125 gallons is needed for a single Clown Knifefish, with larger tanks required for additional fish or community setups. They thrive in water temperatures between 75°F-80°F. Provide a sandy or gravel substrate, along with sturdy rocks, caves, and driftwood for territories and hiding spots. Strong filtration and regular water changes are essential to manage their bioload and maintain water quality. If you do want to house them with other fish, they have to grow to be in similar size and temperament.

Diet

Clown knifefish are carnivorous predators and should be fed a diet primarily consisting of live or frozen prey including small fish, insects or crustaceans. They can adapt to high quality pellets and prepared frozen foods.