Can Harlequin Rasbora Live With Firemouth Cichlid?
Harlequin Rasbora and Firemouth Cichlid may coexist with careful monitoring, adequate space, and hiding spots.
Conditions: Minimum 30 gallon tank.
Parameter Comparison
| Parameter | Harlequin Rasbora | Firemouth Cichlid | Overlap |
|---|---|---|---|
| Temperature | 73–82°F | 75–86°F | 75–82°F ✓ |
| pH Range | 6–7.5 | 6.5–8 | 6.5–7.5 ✓ |
| Temperament | peaceful | semi-aggressive | Monitor ⚠ |
| Max Size | 2" | 6" | Similar ✓ |
| Min Tank Size | 10 gal | 30 gal | 30 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Harlequin Rasbora + Firemouth Cichlid
To keep Harlequin Rasbora and Firemouth Cichlid together, you need at minimum a 30 gallon tank. Harlequin Rasbora should be kept in a school of 6+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Harlequin Rasbora
Trigonostigma heteromorpha
Harlequin rasboras are elegant, copper-colored schooling fish with a distinctive black triangular patch on their body. They are one of the most peaceful and hardy community fish available, making them ideal for beginners. In schools of 8+, they display beautiful coordinated swimming behavior.
Full care guide →Firemouth Cichlid
Thorichthys meeki
Firemouth cichlids are one of the most beginner-friendly Central American cichlids. Named for their striking red/orange coloration on the throat and belly, they are less aggressive than most cichlids of their size. When threatened, they flare their gill covers to display their bright red throat — a bluffing display that is far more bark than bite.
Full care guide →