๐Ÿ  Fish Compatibility Guide

Can Giant Danio and Guppy Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 85/100
85/100 โ€” Compatible

Giant Danio and Guppy Compatibility Overview

Giant Danio and Guppy can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Giant Danio is semi and Guppy is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Giant Danio and Guppy
FactorGiant DanioGuppyVerdict
Temperature72โ€“81ยฐF72โ€“82ยฐFโœ… 72โ€“81ยฐF
pH Range6.5โ€“7.56.8โ€“8.5โš ๏ธ 6.8โ€“7.5 (narrow)
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size4.0 in2.5 inโœ… Similar
Min. Group6+3+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

Giant Danio โ€” Devario aequipinnatus

Giant Danio and Guppy compatibility โ€” Giant Danio

The Giant Danio is a vibrant and peaceful addition to the freshwater aquarium. Known for its striking red and blue colors, it is a popular choice for beginners and experienced aquarists alike. These fish are relatively easy to care for and can thrive in a well-maintained tank.

โ†’ Full Giant Danio care guide

Guppy โ€” Poecilia reticulata

Giant Danio and Guppy compatibility โ€” Guppy

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

โ†’ Full Guppy care guide

Frequently Asked Questions

Can Giant Danio live with Guppy?

Yes, in a well-planned setup. Giant Danio and Guppy can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Giant Danio is semi and Guppy is peaceful, so give them room and cover rather than assuming they will ignore each 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 Giant Danio and Guppy together?

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

What temperature suits both Giant Danio and Guppy?

72โ€“81ยฐF โ€” inside Giant Danio's 72โ€“81ยฐF and Guppy's 72โ€“82ยฐF.

Is a Giant Danio aggressive toward a Guppy?

Giant Danio is semi and Guppy is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Giant Danio and Guppy

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.