What size tank does a Sun Catfish need?

Sun Catfish needs a minimum of 75 gallons, with 113 gallons recommended. They are bottom swimmers.

Is Sun Catfish good for beginners?

Sun Catfish is rated "advanced" difficulty (3/5). Suitable for intermediate fishkeepers.

What fish are compatible with Sun Catfish?

Sun Catfish is peaceful. Compatible tank mates include other peaceful fish with similar water parameters (pH 6-7.5, temp 72-79°F).

Sun Catfish

Horabagrus brachysoma

Family: Bagridae • Origin: Various

Sun Catfish (Horabagrus brachysoma) is a peaceful catfish reaching 12 inches. Can be kept singly. Minimum tank size: 75 gallons.

Min Tank

75 gal

Max Size

12"

Temperature

72-79°F

6-7.5

Lifespan

15 years

School Size

Solo OK

Swim Level

bottom

Hardness

5-15 dGH

peacefuladvancedcarnivore

Is Sun Catfish Right for Your Tank?

Sun Catfish is a moderate-care fish rated "advanced" (3/5). Suitable for hobbyists with some experience who can maintain stable water parameters. They need at least 75 gallons — a mid-size tank commitment. Plan your space accordingly.

With a peaceful temperament, Sun Catfish makes a great community fish. They coexist well with other non-aggressive species of similar size. Expected lifespan: 15 years with proper care.

Common Mistakes with Sun Catfish

✗

Putting them in a tank under 75 gallons

Many beginners underestimate tank size needs. Sun Catfish requires at least 75 gallons — ideally 113. Cramped tanks lead to stunted growth, aggression, and poor water quality.

✗

Skipping the quarantine period

Even healthy-looking fish can carry parasites or disease. Quarantine new Sun Catfish for 2–4 weeks in a separate tank before adding to your main aquarium.