๐Ÿ  Fish Compatibility Guide

Can Congo Tetra and Zebra Danio Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 91/100
91/100 โ€” Compatible

Congo Tetra and Zebra Danio Compatibility Overview

Congo Tetra and Zebra Danio 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Congo Tetra and Zebra Danio
FactorCongo TetraZebra DanioVerdict
Temperature73โ€“82ยฐF64โ€“82ยฐFโœ… 73โ€“82ยฐF
pH Range6.0โ€“7.56.5โ€“8.0โœ… 6.5โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size3.1 in2 inโœ… Similar
Min. Group6+5+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.

Caution Points

Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Species Profiles

Congo Tetra โ€” Phenacogrammus interruptus

Congo Tetra and Zebra Danio compatibility โ€” Congo Tetra

The Congo Tetra is a vibrant and active fish that thrives in a well-maintained freshwater aquarium. With its striking coloration and peaceful nature, it's a great addition to any community tank. This species is best kept in groups and requires a spacious tank with plenty of swimming space.

โ†’ Full Congo Tetra care guide

Zebra Danio โ€” Danio rerio

Congo Tetra and Zebra Danio compatibility โ€” Zebra Danio

Extremely hardy, fast-moving schooling fish tolerant of a wide temperature range. Active top-to-mid swimmers compatible with most community fish.

โ†’ Full Zebra Danio care guide

Frequently Asked Questions

Can Congo Tetra live with Zebra Danio?

Yes, in a well-planned setup. Congo Tetra and Zebra Danio 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Congo Tetra and Zebra Danio together?

A minimum of 55 gallons is recommended for keeping Congo Tetra and Zebra Danio together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Congo Tetra and Zebra Danio?

73โ€“82ยฐF โ€” inside Congo Tetra's 73โ€“82ยฐF and Zebra Danio's 64โ€“82ยฐF.

Is a Congo Tetra aggressive toward a Zebra Danio?

Congo Tetra is peaceful and Zebra Danio is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Congo Tetra and Zebra Danio

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 setup125 galBest when keeping larger schools or reducing territorial pressure.