๐Ÿ  Fish Compatibility Guide

Can Firefish Goby and Pea Puffer Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 0/100
0/100 โ€” Not Compatible

Firefish Goby and Pea Puffer Compatibility Overview

Firefish Goby and Pea Puffer are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Firefish Goby wants 8.1โ€“8.4 and Pea Puffer wants 7.0โ€“8.0. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Firefish Goby and Pea Puffer
FactorFirefish GobyPea PufferVerdict
Temperature72โ€“82ยฐF74โ€“82ยฐFโœ… 74โ€“82ยฐF
pH Range8.1โ€“8.47.0โ€“8.0โŒ No overlap
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size3.0 in1 inโš ๏ธ 3.0ร— difference
Min. Group1+1+See below
Min. Tank Size20 gallons (for both species)โ€”

Compatibility Positives

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

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
Their pH ranges do not meet: Firefish Goby wants 8.1โ€“8.4 and Pea Puffer wants 7.0โ€“8.0.

Species Profiles

Firefish Goby โ€” Nemateleotris magnifica

Firefish Goby and Pea Puffer compatibility โ€” Firefish Goby

The Firefish Goby is a popular choice for saltwater aquariums due to its vibrant colors and peaceful nature. These goby fish thrive in well-maintained tanks with plenty of live rock for them to explore. They are best kept in pairs or small groups and can be a great addition to a community tank with compatible species.

โ†’ Full Firefish Goby care guide

Pea Puffer โ€” Carinotetraodon travancoricus

Firefish Goby and Pea Puffer compatibility โ€” Pea Puffer

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

โ†’ Full Pea Puffer care guide

Frequently Asked Questions

Can Firefish Goby live with Pea Puffer?

Generally not recommended. Firefish Goby and Pea Puffer are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Firefish Goby wants 8.1โ€“8.4 and Pea Puffer wants 7.0โ€“8.0. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Firefish Goby and Pea Puffer together?

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

What temperature suits both Firefish Goby and Pea Puffer?

74โ€“82ยฐF โ€” inside Firefish Goby's 72โ€“82ยฐF and Pea Puffer's 74โ€“82ยฐF.

Is a Firefish Goby aggressive toward a Pea Puffer?

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

Related Compatibility Guides

Tank Size for Firefish Goby 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.