Compatibility Overview
Cherry Shrimp and Pea Puffer are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
| Factor | Cherry Shrimp | Pea Puffer | Verdict |
|---|---|---|---|
| Temperature | 65–80°F | 74–82°F | ✅ 74–80°F |
| pH Range | 6.5–8.0 | 7.0–8.0 | ✅ 7.0–8.0 |
| Temperament | peaceful | semi | ⚠️ Monitor |
| Adult Size | 0.8 in | 1 in | ✅ Similar |
| Min. Group | 10+ | 1+ | See below |
| Min. Tank Size | 40 gallons (for both species) | — | |
✅ Compatibility Positives
❌ Incompatibility Reasons
Species Profiles
Cherry Shrimp — Neocaridina davidi
Bright red freshwater shrimp that are excellent algae cleaners. Very small — at risk from any fish large enough to eat them.
→ Full Cherry Shrimp care guide
Pea Puffer — Carinotetraodon travancoricus
World's smallest pufferfish — intensely territorial and nippy despite tiny size. Will attack fins and eat shrimp and snails.
Frequently Asked Questions
Can Cherry Shrimp live with Pea Puffer?
Generally not recommended. Cherry Shrimp and Pea Puffer are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
What tank size do I need for Cherry Shrimp and Pea Puffer together?
A minimum of 40 gallons is recommended for keeping Cherry Shrimp and Pea Puffer together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Cherry Shrimp and Pea Puffer?
74–80°F
Is a Cherry Shrimp aggressive toward a Pea Puffer?
Cherry Shrimp is peaceful and Pea Puffer is semi. Pea puffers will eat cherry shrimp.