Firemouth Cichlid

Thorichthys meeki

Firemouth Cichlid (Thorichthys meeki) — Easy care, Aggressive, under Cichlid. Minimum tank in the app: 53 US gal min; aim for 73–82°F and pH 6.5–8. Details below match the app.

Firemouth Cichlid (Thorichthys meeki) in a planted freshwater aquarium
Care levelEasy
TemperamentAggressive
Min tank size53 US gal min
pH range6.5–8
Temperature73–82°F
Max size5.9 in (15.0 cm)
Captive lifespan8–12 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Central America

  • Central America & Mexico

Regional colours match the stocking calculator’s origin map.

Firemouth Cichlid Tank Setup

Plan for at least 53 US gal min of water—that is the minimum in our database for a workable setup, not a challenge to crowd fish. Aim to hold 73–82°F and pH 6.5–8 without daily drama. These fish use the Mid/Bottom zone most, so put wood, plants, or open water there accordingly.

What Do Firemouth Cichlids Eat?

We record diet as Omnivore (varies). Offer a few food types that match—dry, frozen, or gel—and swap now and then. One flake every day for a year is how dull color and gut trouble creep in.

Firemouth Cichlid Tank Mates

Temperament in the data: Aggressive. Flagged as a fin nipper, so long flowing fins and slow targets are a poor match. May nip fins; territorial during breeding. Pairs bond strongly. Avoid with small fish. Plug your full stock list into the stocking calculator—single-species compatibility scores are hints, not a whole-tank verdict.

Are Firemouth Cichlids Good for Beginners?

Often a sensible first fish once the tank is cycled and you are willing to test water sometimes. Skip the impulse buy on the same day you set up the tank.

Building a community? Run the full list through the stocking calculator before you add anything else.

Log tests and reminders in App-aquatic—free, same data you see here.