Can Harlequin Rasbora Live With Pea Puffer?
❌Not Compatible
Pea Puffer is aggressive and will likely attack or stress tank mates.
Ad
Parameter Comparison
| Parameter | Harlequin Rasbora | Pea Puffer | Overlap |
|---|---|---|---|
| Temperature | 73–82°F | 74–82°F | 74–82°F ✓ |
| pH Range | 6–7.5 | 7–8 | 7–7.5 ✓ |
| Temperament | peaceful | aggressive | Aggression risk ✗ |
| Max Size | 2" | 1" | Similar ✓ |
| Min Tank Size | 10 gal | 5 gal | 10 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Harlequin Rasbora
Trigonostigma heteromorpha
beginnerpeaceful10+ gal
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 →Pea Puffer
Carinotetraodon travancoricus
intermediateaggressive5+ gal
Pea puffers are the smallest freshwater pufferfish in the world, growing to just 1 inch. Despite their tiny size, they have big personalities — they are curious, intelligent, and surprisingly aggressive. They are best kept in species-only tanks and require live or frozen food.
Full care guide →Other Compatible Tank Mates
For Harlequin Rasbora:
For Pea Puffer:
Ad