๐Ÿ  Fish Compatibility Guide

Can Angelfish and Royal Gramma 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 Royal Gramma Compatibility Overview

Angelfish and Royal Gramma 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 Royal Gramma wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Angelfish and Royal Gramma
FactorAngelfishRoyal GrammaVerdict
Temperature74โ€“84ยฐF72โ€“82ยฐFโœ… 74โ€“82ยฐF
pH Range6.0โ€“7.58.1โ€“8.4โŒ No overlap
Temperamentsemisemiโš ๏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.

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 Royal Gramma wants 8.1โ€“8.4.
Both are semi, so give them a larger, well-planted tank and watch how they settle in.

Species Profiles

Angelfish โ€” Pterophyllum scalare

Angelfish and Royal Gramma 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

Royal Gramma โ€” Gramma loreto

Angelfish and Royal Gramma compatibility โ€” Royal Gramma

The Royal Gramma, known for its vibrant blue coloration, is a popular saltwater fish among beginners and experienced aquarists alike. It requires a well-maintained tank with plenty of swimming space and a moderate current. With a peaceful temperament and a relatively easy care routine, the Royal Gramma can be a great addition to a community tank.

โ†’ Full Royal Gramma care guide

Frequently Asked Questions

Can Angelfish live with Royal Gramma?

Generally not recommended. Angelfish and Royal Gramma 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 Royal Gramma 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 Royal Gramma together?

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

What temperature suits both Angelfish and Royal Gramma?

74โ€“82ยฐF โ€” inside Angelfish's 74โ€“84ยฐF and Royal Gramma's 72โ€“82ยฐF.

Is a Angelfish aggressive toward a Royal Gramma?

Angelfish is semi and Royal Gramma is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Angelfish and Royal Gramma

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.