Can Pea Puffer Live With Rummy Nose Tetra?
❌Not Compatible
Pea Puffer is aggressive and will likely attack or stress tank mates.
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Parameter Comparison
| Parameter | Pea Puffer | Rummy Nose Tetra | Overlap |
|---|---|---|---|
| Temperature | 74–82°F | 75–84°F | 75–82°F ✓ |
| pH Range | 7–8 | 5.5–7 | 7–7 ✓ |
| Temperament | aggressive | peaceful | Aggression risk ✗ |
| Max Size | 1" | 2.5" | Similar ✓ |
| Min Tank Size | 5 gal | 20 gal | 20 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
Species Profiles
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 →Rummy Nose Tetra
Hemigrammus rhodostomus
intermediatepeaceful20+ gal
Rummy nose tetras are considered the ultimate schooling fish in the freshwater hobby. Their tight, synchronized formations are unmatched by any other tetra species. The vivid red nose serves as a health indicator — bright red means healthy, pale red means stressed. They prefer soft, acidic water and are slightly more demanding than neon tetras.
Full care guide →Other Compatible Tank Mates
For Pea Puffer:
For Rummy Nose Tetra:
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