Can Goldfish Live With Pea Puffer?
❌Not Compatible
Pea Puffer is aggressive and will likely attack or stress tank mates.
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Parameter Comparison
| Parameter | Goldfish | Pea Puffer | Overlap |
|---|---|---|---|
| Temperature | 65–75°F | 74–82°F | 74–75°F ✓ |
| pH Range | 6.5–7.5 | 7–8 | 7–7.5 ✓ |
| Temperament | peaceful | aggressive | Aggression risk ✗ |
| Max Size | 12" | 1" | Size mismatch ✗ |
| Min Tank Size | 20 gal | 5 gal | 20 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Goldfish
Carassius auratus
beginnerpeaceful20+ gal
Goldfish are among the longest-kept ornamental fish, with a history spanning over 1,000 years. Despite their reputation as easy, bowl-dwelling pets, goldfish actually require spacious tanks with strong filtration. They are cold-water fish that should not be kept with tropical species. Common varieties include comets, fantails, orandas, and ryukins.
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 Pea Puffer:
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