๐Ÿ  Fish Compatibility Guide

Can Firefish Goby and Lemon Tetra 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 Lemon Tetra Compatibility Overview

Firefish Goby and Lemon Tetra 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 Lemon Tetra wants 5.0โ€“7.5. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Firefish Goby and Lemon Tetra
FactorFirefish GobyLemon TetraVerdict
Temperature72โ€“82ยฐF68โ€“82ยฐFโœ… 72โ€“82ยฐF
pH Range8.1โ€“8.45.0โ€“7.5โŒ No overlap
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size3.0 in1.6 inโœ… Similar
Min. Group1+8+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 Lemon Tetra wants 5.0โ€“7.5.

Species Profiles

Firefish Goby โ€” Nemateleotris magnifica

Firefish Goby and Lemon Tetra 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

Lemon Tetra โ€” Hyphessobrycon pulchripinnis

Firefish Goby and Lemon Tetra compatibility โ€” Lemon Tetra

The Lemon Tetra is a vibrant, peaceful addition to freshwater tanks. Known for its striking yellow and red colors, it is well-suited for community tanks. They are active swimmers and thrive in groups. Maintaining stable water conditions is key to their health.

โ†’ Full Lemon Tetra care guide

Frequently Asked Questions

Can Firefish Goby live with Lemon Tetra?

Generally not recommended. Firefish Goby and Lemon Tetra 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 Lemon Tetra wants 5.0โ€“7.5. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Firefish Goby and Lemon Tetra together?

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

What temperature suits both Firefish Goby and Lemon Tetra?

72โ€“82ยฐF โ€” inside Firefish Goby's 72โ€“82ยฐF and Lemon Tetra's 68โ€“82ยฐF.

Is a Firefish Goby aggressive toward a Lemon Tetra?

Firefish Goby is peaceful and Lemon Tetra is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Firefish Goby and Lemon Tetra

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 setup55 galBest when keeping larger schools or reducing territorial pressure.