What size tank does a Angelfish need?

Angelfish needs a minimum of 30 gallons, with 55 gallons recommended. They are middle swimmers.

Is Angelfish good for beginners?

Angelfish is rated "intermediate" difficulty (2/5). Great for beginners.

What fish are compatible with Angelfish?

Angelfish is semi-aggressive. Compatible tank mates include other semi-aggressive fish with similar water parameters (pH 6-7.5, temp 76-84°F). Give adequate territory space.

Angelfish

Pterophyllum scalare

Family: Cichlidae • Origin: South America

Angelfish are elegant cichlids that serve as stunning centerpiece fish. Semi-aggressive and will eat anything that fits in their mouth.

Min Tank

30 gal

Max Size

Temperature

76-84°F

6-7.5

Lifespan

10 years

School Size

Solo OK

Swim Level

middle

Hardness

3-12 dGH

semi-aggressiveintermediateomnivore

Is Angelfish Right for Your Tank?

Angelfish is an excellent choice for beginners — rated "intermediate" difficulty (2/5). They're hardy, forgiving of minor water parameter fluctuations, and generally easy to feed. A 30-gallon tank minimum is standard — most community setups will accommodate them.

Angelfish is semi-aggressive — they can live with others but may bully smaller or slower fish. Choose tank mates carefully. They are territorial — provide adequate hiding spots and maintain enough space to reduce aggression. Expected lifespan: 10 years with proper care.

Common Mistakes with Angelfish

✗

Relying on a heater without a thermometer

Angelfish needs 76–84°F. Heaters malfunction or drift over time — always use a separate thermometer to verify. Temperature swings of even 3–4°F can trigger stress and disease, particularly ich.

✗

Putting them in a tank under 30 gallons

Many beginners underestimate tank size needs. Angelfish requires at least 30 gallons — ideally 55. Cramped tanks lead to stunted growth, aggression, and poor water quality.

✗

Housing with peaceful nano fish

Angelfish is semi-aggressive and territorial — small, peaceful species like neon tetras, endlers, or celestial pearl danios will be stressed, bullied, or eaten. Choose tank mates that can hold their own.