Can Green Terror Cichlid and Sterbai Cory Live Together?

Green Terror Cichlid and Sterbai Cory Compatibility Overview

Green Terror Cichlid and Sterbai Cory are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their ranges meet only at 75–75°F, which leaves no margin for a heater drifting or a warm room. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Green Terror Cichlid and Sterbai Cory
Factor	Green Terror Cichlid	Sterbai Cory	Verdict
Temperature	68–75°F	75–82°F	⚠️ 75–75°F (narrow)
pH Range	6.5–8.0	6.0–7.6	✅ 6.5–7.6
Temperament	aggressive	peaceful	❌ Risk
Adult Size	11.8 in	2.6 in	❌ 5× difference
Min. Group	1+	6+	See below
Min. Tank Size	100 gallons (for both species)		—

Compatibility Positives

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

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.

Their ranges meet only at 75–75°F, which leaves no margin for a heater drifting or a warm room.

Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Green Terror Cichlid is aggressive and Sterbai Cory is peaceful. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Species Profiles

Green Terror Cichlid — Andinoacara rivulatus

Green Terror Cichlid and Sterbai Cory compatibility — 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…

→ Full Green Terror Cichlid care guide

Sterbai Cory — Corydoras sterbai

Green Terror Cichlid and Sterbai Cory compatibility — Sterbai Cory

The Sterbai Cory, known for its dark brown coloration with silver spots, is a popular bottom-dwelling fish. With a peaceful temperament, it is well-suited for community tanks. It requires a well-planted tank with plenty of hiding spots and moderate water flow. Regular water changes and a balanced diet are essential for their health.

→ Full Sterbai Cory care guide

Frequently Asked Questions

Can Green Terror Cichlid live with Sterbai Cory?

Generally not recommended. Green Terror Cichlid and Sterbai Cory are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their ranges meet only at 75–75°F, which leaves no margin for a heater drifting or a warm room. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Green Terror Cichlid and Sterbai Cory together?

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

What temperature suits both Green Terror Cichlid and Sterbai Cory?

75–75°F (narrow) — inside Green Terror Cichlid's 68–75°F and Sterbai Cory's 75–82°F.

Is a Green Terror Cichlid aggressive toward a Sterbai Cory?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Green Terror Cichlid and Sterbai Cory

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

Scenario	Tank	When it applies
Minimum viable	100 gal	Only for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community	150 gal	Adds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup	220 gal	Best when keeping larger schools or reducing territorial pressure.

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