๐Ÿ  Fish Compatibility Guide

Can Bolivian Ram 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

Bolivian Ram and Royal Gramma Compatibility Overview

Bolivian Ram 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: Bolivian Ram 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 Bolivian Ram and Royal Gramma
FactorBolivian RamRoyal GrammaVerdict
Temperature75โ€“82ยฐF72โ€“82ยฐFโœ… 75โ€“82ยฐF
pH Range6.0โ€“7.58.1โ€“8.4โŒ No overlap
Temperamentsemisemiโš ๏ธ Monitor
Adult Size3.1 in3.0 inโœ… Similar
Min. Group2+1+See below
Min. Tank Size40 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: Bolivian Ram 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

Bolivian Ram โ€” Mikrogeophagus altispinosus

Bolivian Ram and Royal Gramma compatibility โ€” Bolivian Ram

The Bolivian Ram is a popular freshwater fish known for its vibrant colors and peaceful nature. They are well-suited for community tanks with other peaceful species. These fish are relatively easy to care for, making them a great choice for beginners. They require a well-maintained tank with a moderate water flow and plenty of space for swimming.

โ†’ Full Bolivian Ram care guide

Royal Gramma โ€” Gramma loreto

Bolivian Ram 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 Bolivian Ram live with Royal Gramma?

Generally not recommended. Bolivian Ram 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: Bolivian Ram 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 Bolivian Ram and Royal Gramma together?

A minimum of 40 gallons is recommended for keeping Bolivian Ram and Royal Gramma together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Bolivian Ram and Royal Gramma?

75โ€“82ยฐF โ€” inside Bolivian Ram's 75โ€“82ยฐF and Royal Gramma's 72โ€“82ยฐF.

Is a Bolivian Ram aggressive toward a Royal Gramma?

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

Related Compatibility Guides

Tank Size for Bolivian Ram and Royal Gramma

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

ScenarioTankWhen it applies
Minimum viable48 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 setup90 galBest when keeping larger schools or reducing territorial pressure.