Firemouth Cichlid

Thorichthys meeki

Firemouth Cichlid (Thorichthys meeki) is a bottom-to-middle swimmer that suits calm freshwater aquariums. It uses the lower to middle part of the aquarium, so stocking should leave room in that area.

Semi-Aggressive Bottom to middle swimmer Often planned as a pair Beginner – Intermediate
Save this fish or add it directly to one of your aquariums.

Quick facts

Adult size
up to 15 cm
Aquarium size
200 L or larger
Care level
Beginner – Intermediate
Temperament
Semi-Aggressive
Swimming zone
Bottom to middle swimmer
Temperature
23–30 °C
pH
6.5–8
GH
8–15 dGH
Diet
Omnivore
Lifespan
up to 10 years
Group behavior
Often planned as a pair

Overview

Firemouth Cichlid (Thorichthys meeki) is a bottom-to-middle swimmer for aquariums where the layout leaves enough open substrate area and the water stays stable.

Use these values as planning checks, then make sure the aquarium still has room for behavior, group needs, and calm community fish.

Care requirements

With a Beginner – Intermediate care level, Firemouth Cichlid is approachable, but it still needs stable water, clean substrate, and a well-planned stocking group.

Because it uses the lower to middle part of the aquarium, leave enough open substrate area instead of crowding that part of the aquarium.

With a lifespan of up to 10 years, this is a fish to plan for long term rather than an impulse addition.

Aquarium size and space needs

An aquarium of 200 L or larger can be a reasonable starting point, but it should not be read as permission to overstock.

At up to 15 cm, Firemouth Cichlid stays small, but it still needs room to move, feed, and avoid constant competition.

Uses the lower to middle part of the aquarium, so leave enough open substrate area for movement and feeding.

Water parameters

The temperature range for this fish is 23 to 30 °C, which fits many tropical freshwater aquariums. Choose other fish with overlapping temperature needs.

The pH range for this fish is 6.5 to 8. That points to a broad freshwater range, but stability is more important than sudden corrections.

The GH range for this fish is 8 to 15 dGH. That gives some flexibility, but sudden changes are usually more stressful than a stable value that is slightly imperfect.

Temperament and compatibility

Firemouth Cichlid needs more careful companion choice because the temperament data suggests space, boundaries, or similar-sized fish may matter.

Because this fish uses the lower to middle part of the aquarium, compatibility is easier when other fish are not all competing for the same swimming space.

Swimming zone and behavior

This fish uses the lower to middle part of the aquarium, so leave enough open substrate area for movement and feeding.

Feeding

As an omnivore, Firemouth Cichlid should receive a varied diet rather than one repeated food type.

Because it feeds near the bottom, make sure food reaches the substrate and is not completely taken by faster fish in the open water.

Before adding this fish

Use this checklist before treating the profile as a match for an existing aquarium.

  • Plan for an aquarium of 200 L or larger.
  • Make sure the bottom area has enough open substrate for a group.
  • Choose other fish with overlapping temperature needs.
  • Keep pH stable within the listed range instead of making sudden corrections.
  • Choose other fish carefully around this temperament.
  • Offer a varied diet suitable for an omnivorous bottom-dwelling fish.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

FAQ

How large does Firemouth Cichlid get?

Firemouth Cichlid reaches up to 15 cm according to this profile. It stays relatively small, but aquarium planning should still account for bottom space.

What aquarium size does Firemouth Cichlid need?

Plan for an aquarium of 200 L or larger. Treat this as a baseline, because bottom-dwelling fish also needs open substrate area and compatible fish.

Is Firemouth Cichlid peaceful?

Firemouth Cichlid needs more careful companion choice because the temperament data points toward boundaries, space, or similar-sized fish.

What temperature is suitable for Firemouth Cichlid?

The temperature range for this fish is 23 to 30 °C. Choose other fish with overlapping temperature needs and avoid sudden temperature swings.

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