What size tank does a Paradise Fish need?

Paradise Fish needs a minimum of 20 gallons, with 30 gallons recommended. They are top swimmers.

Is Paradise Fish good for beginners?

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

What fish are compatible with Paradise Fish?

Paradise Fish is aggressive. Compatible tank mates include other aggressive fish with similar water parameters (pH 6-8, temp 61-79°F). Give adequate territory space.

Paradise Fish

Macropodus opercularis

Family: Osphronemidae • Origin: Various

Paradise Fish (Macropodus opercularis) is a aggressive gourami reaching 4 inches. Can be kept singly. Minimum tank size: 20 gallons.

Min Tank

20 gal

Max Size

Temperature

61-79°F

6-8

Lifespan

6 years

School Size

Solo OK

Swim Level

top

Hardness

5-15 dGH

aggressiveintermediateomnivore

Is Paradise Fish Right for Your Tank?

Paradise Fish 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 20-gallon tank minimum is standard — most community setups will accommodate them.

Paradise Fish 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: 6 years with proper care.

Common Mistakes with Paradise Fish

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Putting them in a tank under 20 gallons

Many beginners underestimate tank size needs. Paradise Fish requires at least 20 gallons — ideally 30. Cramped tanks lead to stunted growth, aggression, and poor water quality.

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Housing with peaceful nano fish

Paradise Fish 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.