What size tank does a Flowerhorn need?

Flowerhorn needs a minimum of 75 gallons, with 113 gallons recommended. They are middle swimmers.

Is Flowerhorn good for beginners?

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

What fish are compatible with Flowerhorn?

Flowerhorn is aggressive. Compatible tank mates include other aggressive fish with similar water parameters (pH 7-8, temp 78-86°F). Give adequate territory space.

Flowerhorn

Hybrid cichlid

Family: Cichlidae • Origin: Various

Flowerhorn (Hybrid cichlid) is a aggressive cichlid reaching 12 inches. Can be kept singly. Minimum tank size: 75 gallons.

Min Tank

75 gal

Max Size

12"

Temperature

78-86°F

7-8

Lifespan

15 years

School Size

Solo OK

Swim Level

middle

Hardness

5-15 dGH

aggressiveintermediatecarnivore

Is Flowerhorn Right for Your Tank?

Flowerhorn 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. They need at least 75 gallons — a mid-size tank commitment. Plan your space accordingly.

Flowerhorn is aggressive and best kept alone or with other robust species that can hold their own. Not suitable for peaceful community tanks. They are territorial — provide adequate hiding spots and maintain enough space to reduce aggression. Expected lifespan: 15 years with proper care.

Common Mistakes with Flowerhorn

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Relying on a heater without a thermometer

Flowerhorn needs 78–86°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.

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Putting them in a tank under 75 gallons

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

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Housing with peaceful nano fish

Flowerhorn is 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.