What size tank does a Demasoni Cichlid need?

Demasoni Cichlid needs a minimum of 10 gallons, with 15 gallons recommended. They are middle swimmers. Keep in groups of 12+.

Is Demasoni Cichlid good for beginners?

Demasoni Cichlid is rated "advanced" difficulty (3/5). Suitable for intermediate fishkeepers.

What fish are compatible with Demasoni Cichlid?

Demasoni Cichlid is aggressive. Compatible tank mates include other aggressive fish with similar water parameters (pH 7.5-8.5, temp 75-82°F). Give adequate territory space.

Demasoni Cichlid

Pseudotropheus demasoni

Family: Cichlidae • Origin: Various

Demasoni Cichlid (Pseudotropheus demasoni) is a aggressive cichlid reaching 3 inches. Keep in groups of 12+. Minimum tank size: 10 gallons.

Min Tank

10 gal

Max Size

Temperature

75-82°F

7.5-8.5

Lifespan

5 years

School Size

12+

Swim Level

middle

Hardness

5-15 dGH

aggressiveadvancedherbivoreschooling

Is Demasoni Cichlid Right for Your Tank?

Demasoni Cichlid is a moderate-care fish rated "advanced" (3/5). Suitable for hobbyists with some experience who can maintain stable water parameters. At just 10 gallons minimum, they work well in nano tanks and smaller setups.

Demasoni Cichlid is aggressive and best kept alone or with other robust species that can hold their own. Not suitable for peaceful community tanks. This is a schooling species — keep at least 12 together, or they may become stressed and display abnormal behavior. They are territorial — provide adequate hiding spots and maintain enough space to reduce aggression. Expected lifespan: 5 years with proper care.

Common Mistakes with Demasoni Cichlid

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Keeping fewer than 12 together

Demasoni Cichlid is a schooling species — they need a group of at least 12 to feel secure. Lone or paired individuals become stressed, hide constantly, and may develop health issues or aggression.

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Relying on a heater without a thermometer

Demasoni Cichlid needs 75–82°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 10 gallons

While 10 gallons is the minimum, nano tanks require more frequent water changes and leave less room for error. A slightly larger tank (15 gal) is much more forgiving.

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Housing with peaceful nano fish

Demasoni Cichlid 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.