๐Ÿ  Fish Compatibility Guide

Can Guppy and Zebra Danio Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 93/100
93/100 โ€” Compatible

Can Guppy and Zebra Danio Live Together?

Can Guppy and Zebra Danio Live Together? Only with caution and a purpose-built setup. Fast Zebra Danios may nip Guppy fins or outcompete them for food in an undersized tank.

Compatibility factors for Guppy and Zebra Danio
FactorGuppyZebra DanioVerdict
Temperature72โ€“82ยฐF64โ€“82ยฐFโœ… 72โ€“82ยฐF
pH Range6.8โ€“8.56.5โ€“8.0โœ… 6.8โ€“8.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.5 in2 inโœ… Similar
Min. Group3+5+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.

How to Reduce the Risk

Fast Zebra Danios may nip Guppy fins or outcompete them for food in an undersized tank.

A Safer Plan for Guppy and Zebra Danio

Keep larger groups, provide cover, and avoid long-finned Guppy strains.

Species Profiles

Guppy โ€” Poecilia reticulata

Hardy and colourful livebearers. Males' long flowing tails make them targets for fin-nipping species. Very prolific breeders.

โ†’ Full Guppy care guide

Zebra Danio โ€” Danio rerio

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 Guppy live with Zebra Danio?

Sometimes, but treat it as a cautious pairing that needs a purpose-built setup rather than a default recommendation.

What is the main risk with Guppy and Zebra Danio?

Fast Zebra Danios may nip Guppy fins or outcompete them for food in an undersized tank.

What setup reduces conflict between Guppy and Zebra Danio?

Keep larger groups, provide cover, and avoid long-finned Guppy strains.

When should I avoid keeping Guppy and Zebra Danio together?

Avoid the pairing in a small tank, with incomplete social groups, or when either species shows persistent stress or aggression.

Related Compatibility Guides

Tank size scenarios

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.