Clown Knifefish Care Guide
Chitala ornata
- Max Size
- 100.0 cm / 39.4"
- Temperature
- 24–28°C (75–82°F)
- pH Range
- 6.5 – 7.0
- Min Tank Size
- 750L (198 gal)
- Min Group Size
- Can be kept alone
- Tank Level
- Bottom
- Origin
- Southeast Asia
- Temperament
- Semi-Aggressive
- Difficulty
- Advanced
- Breeding Difficulty
- Difficult
Diet
Carnivorous; feeds on fish and invertebrates.
Community Compatibility
Best with large, peaceful species that it cannot eat.
Good to Know
The Clown Knifefish can produce weak electrical charges to navigate and communicate in murky waters.
Gender Differences
Males are slightly more slender than females.
About the Clown Knifefish
The Clown Knifefish, Chitala ornata, is a captivating species native to the freshwater habitats of Southeast Asia, including Thailand, Cambodia, and Vietnam. This species belongs to the Notopteridae family, known for their distinct body shape and unique swimming behavior. The Clown Knifefish is highly sought after in the aquarium trade for its striking appearance, characterized by its elongated body, silver coloration, and the series of black spots or "clown" markings along its sides, which become more pronounced with age.
Adult Clown Knifefish can grow to be quite large, necessitating a spacious aquarium to accommodate their size and active swimming habits. They are known for their undulating movement, powered by a long anal fin that extends along the underside of their body, allowing them to navigate the water with grace and precision. Despite their size, Clown Knifefish are generally shy and require plenty of hiding places within the tank, such as large pieces of driftwood or rock caves, to feel secure.
In their natural environment, Clown Knifefish are nocturnal predators, feeding on a diet of fish, crustaceans, and insects. In captivity, their diet should reflect this predatory nature, including a variety of live and frozen foods such as shrimp, worms, and small fish. It's important to offer a balanced diet to ensure their health and well-being.
One of the challenges of keeping Clown Knifefish in captivity is their skittish nature, which can lead to stress if not properly managed. A well-structured aquarium with subdued lighting and minimal disturbance can help create a comfortable environment for these fish. Additionally, Clown Knifefish are known to be capable jumpers, so a secure lid is essential to prevent escape.
Breeding Clown Knifefish in captivity is a rare occurrence, largely due to the difficulty in replicating the specific environmental conditions required for spawning. In the wild, breeding likely involves seasonal changes in water level and temperature, which are challenging to mimic in a home aquarium setting.
Conservation efforts are important for maintaining healthy populations of Clown Knifefish in their natural habitats, as habitat degradation and pollution pose threats to their survival. Sustainable practices and awareness can help preserve the ecosystems that support these unique fish.
For aquarists willing to meet their needs, the Clown Knifefish offers an opportunity to care for a truly intriguing species. Their distinctive appearance and behavior make them a fascinating addition to large freshwater aquariums, where they can be appreciated for their beauty and complexity. However, their care requires dedication and a commitment to providing an environment that supports their health and natural behaviors.
Stock Clown Knifefish in Your Tank
Use our free stocking calculator to see if Clown Knifefish fits your aquarium