๐Ÿ  Fish Compatibility Guide

Can Diamond Tetra and Ember Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 90/100
90/100 โ€” Compatible

Diamond Tetra and Ember Tetra Compatibility Overview

Diamond Tetra and Ember Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Diamond Tetra and Ember Tetra
FactorDiamond TetraEmber TetraVerdict
Temperature75โ€“82ยฐF73โ€“84ยฐFโœ… 75โ€“82ยฐF
pH Range5.5โ€“7.05.5โ€“7.0โœ… 5.5โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.4 in0.8 inโš ๏ธ 3.0ร— difference
Min. Group6+8+See below
Min. Tank Size20 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Their pH requirements overlap.
Temperament risk is relatively low when normal group sizes are maintained.

Caution Points

No major compatibility issues identified for this pair.

Species Profiles

Diamond Tetra โ€” Moenkhausia pittieri

Diamond Tetra and Ember Tetra compatibility โ€” Diamond Tetra

The Diamond Tetra is a popular freshwater fish known for its vibrant colors and peaceful nature. It is well-suited for community tanks and can thrive in a variety of water conditions. With a moderate activity level and a preference for schools, this species is a great addition to any beginner or intermediate aquarist's tank.

โ†’ Full Diamond Tetra care guide

Ember Tetra โ€” Hyphessobrycon amandae

Diamond Tetra and Ember Tetra compatibility โ€” Ember Tetra

Tiny orange-red schooling tetra that is among the most adaptable nano fish. Peaceful with everything too small to eat them.

โ†’ Full Ember Tetra care guide

Frequently Asked Questions

Can Diamond Tetra live with Ember Tetra?

Yes, in a well-planned setup. Diamond Tetra and Ember Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Diamond Tetra and Ember Tetra together?

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

What temperature suits both Diamond Tetra and Ember Tetra?

75โ€“82ยฐF โ€” inside Diamond Tetra's 75โ€“82ยฐF and Ember Tetra's 73โ€“84ยฐF.

Is a Diamond Tetra aggressive toward a Ember Tetra?

Diamond Tetra is peaceful and Ember Tetra is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Diamond Tetra and Ember 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.