Can Pea Puffer Live With Serpae Tetra?
Pea Puffer and Serpae Tetra may coexist with careful monitoring, adequate space, and hiding spots.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Pea Puffer | Serpae Tetra | Overlap |
|---|---|---|---|
| Temperature | 74–82°F | 72–82°F | 74–82°F ✓ |
| pH Range | 7–8 | 5.5–7.5 | 7–7.5 ✓ |
| Temperament | aggressive | semi-aggressive | Aggression risk ✗ |
| Max Size | 1" | 1.75" | Similar ✓ |
| Min Tank Size | 5 gal | 20 gal | 20 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
Tank Requirements for Pea Puffer + Serpae Tetra
To keep Pea Puffer and Serpae Tetra together, you need at minimum a 20 gallon tank. Serpae Tetra should be kept in a school of 8+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Pea Puffer
Carinotetraodon travancoricus
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 →Serpae Tetra
Hyphessobrycon eques
Serpae tetras are vibrant blood-red schooling fish with a distinctive black comma-shaped marking behind the gill plate. While beautiful, they have a reputation as fin nippers — especially in small groups. Keeping them in schools of 8+ in a spacious tank significantly reduces this behavior. They add bold color to community tanks when kept properly.
Full care guide →