Can Guppy Live With Harlequin Rasbora?
Guppy and Harlequin Rasbora are compatible. Temperature overlap 73–82°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Guppy | Harlequin Rasbora | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 73–82°F | 73–82°F ✓ |
| pH Range | 6.8–7.8 | 6–7.5 | 6.8–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2.5" | 2" | Similar ✓ |
| Min Tank Size | 10 gal | 10 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Guppy + Harlequin Rasbora
To keep Guppy and Harlequin Rasbora together, you need at minimum a 20 gallon tank. Guppy should be kept in a school of 3+. 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
Guppy
Poecilia reticulata
Guppies are colorful, hardy livebearers that are perfect for beginners. Males sport spectacular tail patterns in every color imaginable, while females are larger and less colorful. They breed prolifically — a single female can produce 20–50 fry every month — so plan accordingly or keep only males.
Full care guide →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 →