๐Ÿ  Fish Compatibility Guide

Can Firefish Goby and Moonlight Gourami 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 Moonlight Gourami Compatibility Overview

Firefish Goby and Moonlight Gourami 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 Moonlight Gourami wants 6.0โ€“7.5. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Firefish Goby and Moonlight Gourami
FactorFirefish GobyMoonlight GouramiVerdict
Temperature72โ€“82ยฐF77โ€“86ยฐFโœ… 77โ€“82ยฐF
pH Range8.1โ€“8.46.0โ€“7.5โŒ No overlap
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size3.0 in5.9 inโœ… Similar
Min. Group1+1+See below
Min. Tank Size55 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 Moonlight Gourami wants 6.0โ€“7.5.

Species Profiles

Firefish Goby โ€” Nemateleotris magnifica

Firefish Goby and Moonlight Gourami 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

Moonlight Gourami โ€” Trichopodus microlepis

Firefish Goby and Moonlight Gourami compatibility โ€” Moonlight Gourami

The Moonlight Gourami is a beautiful freshwater fish known for its silvery blue color and red eyes. It is a peaceful community fish suitable for beginners and can thrive in a well-maintained aquarium. These fish are sensitive to water quality and require a spacious tank with plenty of swimming space.

โ†’ Full Moonlight Gourami care guide

Frequently Asked Questions

Can Firefish Goby live with Moonlight Gourami?

Generally not recommended. Firefish Goby and Moonlight Gourami 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 Moonlight Gourami wants 6.0โ€“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 Moonlight Gourami together?

A minimum of 55 gallons is recommended for keeping Firefish Goby and Moonlight Gourami together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Firefish Goby and Moonlight Gourami?

77โ€“82ยฐF โ€” inside Firefish Goby's 72โ€“82ยฐF and Moonlight Gourami's 77โ€“86ยฐF.

Is a Firefish Goby aggressive toward a Moonlight Gourami?

Firefish Goby is peaceful and Moonlight Gourami is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Firefish Goby and Moonlight Gourami

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

ScenarioTankWhen it applies
Minimum viable55 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community75 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup100 galBest when keeping larger schools or reducing territorial pressure.