๐Ÿ  Fish Compatibility Guide

Can Black Neon Tetra and Weather Loach Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โš ๏ธ Use Caution โ€” Compatibility Score: 68/100
68/100 โ€” Use Caution

Black Neon Tetra and Weather Loach Compatibility Overview

Black Neon Tetra and Weather Loach can potentially coexist, but the combination requires careful attention. Both species are peaceful, and neither poses a major aggression risk to the other. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.

Compatibility factors for Black Neon Tetra and Weather Loach
FactorBlack Neon TetraWeather LoachVerdict
Temperature68โ€“82ยฐF50โ€“77ยฐFโœ… 68โ€“77ยฐF
pH Range5.0โ€“7.56.0โ€“8.0โœ… 6.0โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.4 in11.0 inโŒ 8ร— difference
Min. Group8+3+See below
Min. Tank Size100 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 Weather Loach 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

Weather Loach โ€” Misgurnus anguillicaudatus

Black Neon Tetra and Weather Loach compatibility โ€” Weather Loach

The Weather Loach, also known as the Weather Fish, is a popular addition to freshwater aquariums due to its peaceful nature and intriguing behavior. It has a slender, eel-like body with a translucent appearance and dark spots. These loaches are active and enjoy exploring their tank, making them a moderate activity level fish.

โ†’ Full Weather Loach care guide

Frequently Asked Questions

Can Black Neon Tetra live with Weather Loach?

With significant caution and a larger tank. Black Neon Tetra and Weather Loach can potentially coexist, but the combination requires careful attention. Both species are peaceful, and neither poses a major aggression risk to the other. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.

What tank size do I need for Black Neon Tetra and Weather Loach together?

A minimum of 100 gallons is recommended for keeping Black Neon Tetra and Weather Loach together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Black Neon Tetra and Weather Loach?

68โ€“77ยฐF โ€” inside Black Neon Tetra's 68โ€“82ยฐF and Weather Loach's 50โ€“77ยฐF.

Is a Black Neon Tetra aggressive toward a Weather Loach?

Black Neon Tetra is peaceful and Weather Loach is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Black Neon Tetra and Weather Loach

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

ScenarioTankWhen it applies
Minimum viable100 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community150 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup220 galBest when keeping larger schools or reducing territorial pressure.