๐Ÿ  Fish Compatibility Guide

Can Black Neon Tetra and Giant Danio Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 84/100
84/100 โ€” Compatible

Black Neon Tetra and Giant Danio Compatibility Overview

Black Neon Tetra and Giant Danio can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Black Neon Tetra is peaceful and Giant Danio is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Black Neon Tetra and Giant Danio
FactorBlack Neon TetraGiant DanioVerdict
Temperature68โ€“82ยฐF72โ€“81ยฐFโœ… 72โ€“81ยฐF
pH Range5.0โ€“7.56.5โ€“7.5โœ… 6.5โ€“7.5
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size1.4 in4.0 inโš ๏ธ 2.9ร— difference
Min. Group8+6+See below
Min. Tank Size75 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

Black Neon Tetra โ€” Hyphessobrycon herbertaxelrodi

Black Neon Tetra and Giant Danio compatibility โ€” Black Neon Tetra

The Black Neon Tetra is a popular freshwater species known for its vibrant colors and peaceful temperament. It is an excellent addition to community tanks, thriving in groups of 6 or more. These tetras require a well-maintained aquarium with a flowing current and plenty of swimming space. With proper care, they can live up to 5 years.

โ†’ Full Black Neon Tetra care guide

Giant Danio โ€” Devario aequipinnatus

Black Neon Tetra and Giant Danio 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

Frequently Asked Questions

Can Black Neon Tetra live with Giant Danio?

Yes, in a well-planned setup. Black Neon Tetra and Giant Danio can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Black Neon Tetra is peaceful and Giant Danio is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Black Neon Tetra and Giant Danio together?

A minimum of 75 gallons is recommended for keeping Black Neon Tetra and Giant Danio together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Black Neon Tetra and Giant Danio?

72โ€“81ยฐF โ€” inside Black Neon Tetra's 68โ€“82ยฐF and Giant Danio's 72โ€“81ยฐF.

Is a Black Neon Tetra aggressive toward a Giant Danio?

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

Related Compatibility Guides

Tank Size for Black Neon Tetra and Giant Danio

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

ScenarioTankWhen it applies
Minimum viable75 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community125 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup150 galBest when keeping larger schools or reducing territorial pressure.