🐠 Fish Compatibility Guide

Can Nerite Snail and Pea Puffer Live Together?

Updated September 28, 2026 · FishCare AI Editorial Team

❌ Not Compatible — Compatibility Score: 18/100
18/100 — Not Compatible

Nerite Snail and Pea Puffer Compatibility Overview

Short answer: No. Pea puffers will eat nerite snails. Keep them in separate tanks, or pick one of the safer tank mates listed below.

Nerite Snail and Pea Puffer are generally not recommended to be housed together. Pea puffers will eat nerite snails. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Nerite Snail and Pea Puffer
FactorNerite SnailPea PufferVerdict
Temperature65–85°F74–82°F✅ 74–82°F
pH Range6.5–8.57.0–8.0✅ 7.0–8.0
Temperamentpeacefulsemi⚠️ Monitor
Adult Size1 in1 in✅ Similar
Min. Group1+1+See below
Min. Tank Size20 gallons (for both species)—

Compatibility Positives

A stable shared temperature range is available.
Their pH requirements overlap.
Temperament risk is relatively low when normal group sizes are maintained.

Incompatibility Reasons

Pea puffers will eat nerite snails.

Species Profiles

Nerite Snail — Nerita spp.

Outstanding algae-eating snails that do not reproduce in freshwater. Extremely hardy and compatible with virtually all peaceful fish.

→ Full Nerite Snail care guide

Pea Puffer — Carinotetraodon travancoricus

Nerite Snail and Pea Puffer compatibility — Pea Puffer

World's smallest pufferfish — intensely territorial and nippy despite tiny size. Will attack fins and eat shrimp and snails.

→ Full Pea Puffer care guide

Frequently Asked Questions

Can Nerite Snail live with Pea Puffer?

Generally not recommended. Nerite Snail and Pea Puffer are generally not recommended to be housed together. Pea puffers will eat nerite snails. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Nerite Snail and Pea Puffer together?

A minimum of 20 gallons is recommended for keeping Nerite Snail and Pea Puffer together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Nerite Snail and Pea Puffer?

74–82°F — inside Nerite Snail's 65–85°F and Pea Puffer's 74–82°F.

Is a Nerite Snail aggressive toward a Pea Puffer?

Nerite Snail is peaceful and Pea Puffer is semi. No major aggression issues are expected between these species.

Safer Tank Mates for Nerite Snail and Pea Puffer

The highest-scoring compatible partners for each species in our compatibility data.

For Nerite Snail

For Pea Puffer

Related Compatibility Guides

Tank Size for Nerite Snail and Pea Puffer

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable20 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community29 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup40 galBest when keeping larger schools or reducing territorial pressure.