๐Ÿ  Fish Compatibility Guide

Can Angelfish and Firefish Goby 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

Angelfish and Firefish Goby Compatibility Overview

Angelfish and Firefish Goby 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: Angelfish wants 6.0โ€“7.5 and Firefish Goby wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Angelfish and Firefish Goby
FactorAngelfishFirefish GobyVerdict
Temperature74โ€“84ยฐF72โ€“82ยฐFโœ… 74โ€“82ยฐF
pH Range6.0โ€“7.58.1โ€“8.4โŒ No overlap
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size6 in3.0 inโš ๏ธ 2.0ร— difference
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: Angelfish wants 6.0โ€“7.5 and Firefish Goby wants 8.1โ€“8.4.

Species Profiles

Angelfish โ€” Pterophyllum scalare

Angelfish and Firefish Goby compatibility โ€” Angelfish

Elegant South American cichlids with long flowing fins. Generally peaceful but territorial when breeding and will eat very small fish.

โ†’ Full Angelfish care guide

Firefish Goby โ€” Nemateleotris magnifica

Angelfish and Firefish Goby 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

Frequently Asked Questions

Can Angelfish live with Firefish Goby?

Generally not recommended. Angelfish and Firefish Goby 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: Angelfish wants 6.0โ€“7.5 and Firefish Goby wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

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

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

What temperature suits both Angelfish and Firefish Goby?

74โ€“82ยฐF โ€” inside Angelfish's 74โ€“84ยฐF and Firefish Goby's 72โ€“82ยฐF.

Is a Angelfish aggressive toward a Firefish Goby?

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

Related Compatibility Guides

Tank Size for Angelfish and Firefish Goby

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.