๐Ÿ  Fish Compatibility Guide

Can Percula Clownfish and Red Eye Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 0/100
0/100 โ€” Not Compatible

Percula Clownfish and Red Eye Tetra Compatibility Overview

Percula Clownfish and Red Eye Tetra are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Percula Clownfish wants 8.1โ€“8.4 and Red Eye Tetra wants 6.0โ€“8.0. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Percula Clownfish and Red Eye Tetra
FactorPercula ClownfishRed Eye TetraVerdict
Temperature74โ€“82ยฐF72โ€“79ยฐFโœ… 74โ€“79ยฐF
pH Range8.1โ€“8.46.0โ€“8.0โŒ No overlap
Temperamentsemisemiโš ๏ธ Monitor
Adult Size3.0 in2.8 inโœ… Similar
Min. Group2+6+See below
Min. Tank Size20 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
Their pH ranges do not meet: Percula Clownfish wants 8.1โ€“8.4 and Red Eye Tetra wants 6.0โ€“8.0.
Both are semi, so give them a larger, well-planted tank and watch how they settle in.

Species Profiles

Percula Clownfish โ€” Amphiprion percula

Percula Clownfish and Red Eye Tetra compatibility โ€” Percula Clownfish

The Percula Clownfish, also known as the False Percula, is a popular beginner fish due to its hardiness and striking coloration. These fish are best kept in a saltwater tank with a minimum size of 30 gallons and compatible tankmates. They are peaceful, non-aggressive and do well in groups with other compatible species.

โ†’ Full Percula Clownfish care guide

Red Eye Tetra โ€” Moenkhausia sanctaefilomenae

Percula Clownfish and Red Eye Tetra compatibility โ€” Red Eye Tetra

The Red Eye Tetra is a popular freshwater fish known for its vibrant red eyes and sleek, silver body. They are generally peaceful and can be kept in a community tank with other non-aggressive species. Their moderate activity level makes them suitable for a variety of aquarium setups. With proper care, they can live up to 5 years.

โ†’ Full Red Eye Tetra care guide

Frequently Asked Questions

Can Percula Clownfish live with Red Eye Tetra?

Generally not recommended. Percula Clownfish and Red Eye Tetra are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Percula Clownfish wants 8.1โ€“8.4 and Red Eye Tetra wants 6.0โ€“8.0. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Percula Clownfish and Red Eye Tetra together?

A minimum of 20 gallons is recommended for keeping Percula Clownfish and Red Eye Tetra together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Percula Clownfish and Red Eye Tetra?

74โ€“79ยฐF โ€” inside Percula Clownfish's 74โ€“82ยฐF and Red Eye Tetra's 72โ€“79ยฐF.

Is a Percula Clownfish aggressive toward a Red Eye Tetra?

Percula Clownfish is semi and Red Eye Tetra is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Percula Clownfish and Red Eye Tetra

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

ScenarioTankWhen it applies
Minimum viable27 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community40 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup75 galBest when keeping larger schools or reducing territorial pressure.