Compatibility Overview
Pea Puffer and Platy can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 29-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Pea Puffer | Platy | Verdict |
|---|---|---|---|
| Temperature | 74–82°F | 65–80°F | ✅ 74–80°F |
| pH Range | 7.0–8.0 | 7.0–8.5 | ✅ 7.0–8.0 |
| Temperament | semi | peaceful | ⚠️ Monitor |
| Adult Size | 1 in | 2.5 in | ⚠️ 2.5× difference |
| Min. Group | 1+ | 3+ | See below |
| Min. Tank Size | 29 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Pea Puffer — Carinotetraodon travancoricus
World's smallest pufferfish — intensely territorial and nippy despite tiny size. Will attack fins and eat shrimp and snails.
Platy — Xiphophorus maculatus
Hardy livebearers that are among the easiest fish to keep. Peaceful with virtually all community species. Prolific breeders.
Frequently Asked Questions
Can Pea Puffer live with Platy?
Yes, in a well-planned setup. Pea Puffer and Platy can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 29-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Pea Puffer and Platy together?
A minimum of 29 gallons is recommended for keeping Pea Puffer and Platy together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pea Puffer and Platy?
74–80°F
Is a Pea Puffer aggressive toward a Platy?
Pea Puffer is semi and Platy is peaceful. Minor aggression possible from the semi-aggressive species; provide hiding spots.