🐠 Fish Compatibility Guide

Can Green Terror Cichlid and Percula Clownfish Live Together?

Updated September 23, 2026 Β· FishCare AI Editorial Team

❌ Not Compatible β€” Compatibility Score: 0/100
0/100 β€” Not Compatible

Green Terror Cichlid and Percula Clownfish Compatibility Overview

Green Terror Cichlid and Percula Clownfish 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. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Green Terror Cichlid and Percula Clownfish
FactorGreen Terror CichlidPercula ClownfishVerdict
Temperature68–75Β°F74–82Β°F⚠️ 74–75Β°F (narrow)
pH Range6.5–8.08.1–8.4❌ No overlap
Temperamentaggressivesemi❌ Risk
Adult Size11.8 in3.0 in⚠️ 3.9Γ— difference
Min. Group1+2+See below
Min. Tank Size100 gallons (for both species)β€”

Compatibility Positives

No specific synergy notes; compatibility is primarily water-parameter based.

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
The adult size gap creates a meaningful predation risk.
Their ranges meet only at 74–75Β°F, which leaves no margin for a heater drifting or a warm room.
Their pH ranges do not meet: Green Terror Cichlid wants 6.5–8.0 and Percula Clownfish wants 8.1–8.4.
Green Terror Cichlid is aggressive and Percula Clownfish is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Species Profiles

Green Terror Cichlid β€” Andinoacara rivulatus

Green Terror Cichlid and Percula Clownfish compatibility β€” Green Terror Cichlid

The Green Terror Cichlid is a popular choice for experienced aquarists due to its striking appearance and vibrant colors. They are known for their aggression and should be kept in a species-specific tank. Their tall, laterally compressed bodies and vivid coloration make them visually appealing but require careful handling due to their potentially aggressive…

β†’ Full Green Terror Cichlid care guide

Percula Clownfish β€” Amphiprion percula

Green Terror Cichlid and Percula Clownfish compatibility β€” 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.

β†’ Full Percula Clownfish care guide

Frequently Asked Questions

Can Green Terror Cichlid live with Percula Clownfish?

Generally not recommended. Green Terror Cichlid and Percula Clownfish 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. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Green Terror Cichlid and Percula Clownfish together?

A minimum of 100 gallons is recommended for keeping Green Terror Cichlid and Percula Clownfish together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Green Terror Cichlid and Percula Clownfish?

74–75Β°F (narrow) β€” inside Green Terror Cichlid's 68–75Β°F and Percula Clownfish's 74–82Β°F.

Is a Green Terror Cichlid aggressive toward a Percula Clownfish?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Green Terror Cichlid and Percula Clownfish

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 setup180 galBest when keeping larger schools or reducing territorial pressure.