Can celestial pearl danios live with firemouth cichlids?

Verdict

Yes, with care

Yes, with care. Celestial pearl danios and firemouth cichlids can share a tank, but watch one thing. At 6 inches a firemouth cichlid can swallow a small celestial pearl danio. Fast, alert fish usually stay out of reach.

Celestial pearl danio72–79°F · pH 6.5–7.5

Firemouth cichlid75–86°F · pH 6.5–8

What to watch

Watch outAt 6 inches a firemouth cichlid can swallow a small celestial pearl danio. Fast, alert fish usually stay out of reach.

What works

Both are fine at 75–79°F.
pH 6.5–7.5 suits both.
They use different parts of the tank: celestial pearl danios the mid, firemouth cichlids the bottom.

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

	Celestial pearl danio	Firemouth cichlid
Temperature	72–79 °F	75–86 °F
pH	6.5–7.5	6.5–8
Adult size	1.0 in	6.0 in
Minimum tank	10 gal	30 gal
Temperament	Peaceful	Semi-aggressive
Swims at	Middle	Bottom
Group	Groups of 6+	Alone or in pairs
Diet	Omnivore	Omnivore