Back to species
Species profile

Clown Knife Fish

Chitala ornata

Clown Knife Fish (Chitala ornata) is a solo centerpiece fish for a cycled 250+ gallon freshwater aquarium. Plan for about 36 inches as an adult, 75-82°F water, pH 6-7.5, and advanced care. Keep only one per tank, and choose tankmates with matching water needs and low aggression.

High energyAdvanced care
Clown Knife Fish, a high energy 36 inch aquarium species for 250+ gallon tanks
250 galMinimum tank
36 inAdult size
1Schooling minimum
75-82°FTemperature

Water Range

pH
6-7.5
GH
2-15 dGH
KH
1-10 dKH

Behavior

Temperament
Assertive
Fin nipping
0/5
Territory
3/5

Diet and Care

Diet
carnivore
Diet difficulty
4/5
Care difficulty
4/5

Planning Notes

Predatory or specialist fish; plan for adult size, secure lids, and meaty feeding needs. Large-growing species; needs long-term tank planning beyond the usual community aquarium.

This species may need live, frozen, fresh, or otherwise specialized foods.

live or fresh foodspecialized dietpredatory feedingescape risklarge adult sizelong term tank upgradehigh bioloadassertive or territorialswallows small fishshrimp predatorfry predatorambush predator

People also bought

Fish that pair well with Clown Knife Fish

These matches are starting points with overlapping water ranges and lower behavior risk. Always check the full stocking plan, tank size, and group counts before buying.

Can I keep this?

Run Clown Knife Fish through the checker with your tank size, cycle status, water, group count, and tankmates before buying.

Check my tank
Compare this species

Put Clown Knife Fish beside another profile to compare water range, size, diet, schooling needs, and behavior.

Open comparison
Will plants work?

Match Clown Knife Fish against aquarium plants for nibbling, uprooting, cover, flow, and water-range flags.

Open plant match
Ask about my setup

Ask Advisor how Clown Knife Fish fits with your current tank, recent logs, plants, and livestock.

Ask Advisor
View native range

Open the origins map to see reviewed native-range coordinates and regional context for Clown Knife Fish.

Open origins map

From keepers

Loading…