Can firemouth cichlids live with glowlight tetras?

Verdict

Yes, with care

Yes, with care. Firemouth cichlids and glowlight tetras can share a tank, but watch one thing. A grown firemouth cichlid may treat small glowlight tetras as food, especially at night.

Firemouth cichlid75–86°F · pH 6.5–8

Glowlight tetra74–80°F · pH 6–7.5

What to watch

Watch outA grown firemouth cichlid may treat small glowlight tetras as food, especially at night.

What works

Both are fine at 75–80°F.
pH 6.5–7.5 suits both.
They use different parts of the tank: firemouth cichlids the bottom, glowlight tetras the mid.

Water side by side

The green band is the temperature range both can live in.

The green band is the pH both tolerate.

Size to scale

Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

	Firemouth cichlid	Glowlight tetra
Temperature	75–86 °F	74–80 °F
pH	6.5–8	6–7.5
Adult size	6.0 in	1.5 in
Minimum tank	30 gal	10 gal
Temperament	Semi-aggressive	Peaceful
Swims at	Bottom	Middle
Group	Alone or in pairs	Groups of 6+
Diet	Omnivore	Omnivore

Better tank mates for firemouth cichlids

All firemouth cichlid tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can firemouth cichlids live with glowlight tetras?

Yes, with care. Firemouth cichlids and glowlight tetras can share a tank, but watch one thing. A grown firemouth cichlid may treat small glowlight tetras as food, especially at night.

What temperature suits both firemouth cichlids and glowlight tetras?

75–80 °F. Firemouth cichlids need 75–86 °F, glowlight tetras need 74–80 °F.

What size tank do firemouth cichlids and glowlight tetras need together?

At least 30 gal, set by the firemouth cichlid. Add space for each extra fish.