🐠 Fish Compatibility Guide

Can Green Terror Cichlid and Silver Arowana Live Together?

Updated September 23, 2026 Β· FishCare AI Editorial Team

❌ Not Compatible β€” Compatibility Score: 38/100
38/100 β€” Not Compatible

Green Terror Cichlid and Silver Arowana Compatibility Overview

Green Terror Cichlid and Silver Arowana are generally not recommended to be housed together. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Green Terror Cichlid and Silver Arowana are both aggressive; housing them together invites sustained fighting rather than an occasional squabble. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Green Terror Cichlid and Silver Arowana
FactorGreen Terror CichlidSilver ArowanaVerdict
Temperature68–75Β°F68–86Β°Fβœ… 68–75Β°F
pH Range6.5–8.05.0–7.5βœ… 6.5–7.5
Temperamentaggressiveaggressive❌ Risk
Adult Size11.8 in31.5 in⚠️ 2.7Γ— difference
Min. Group1+1+See below
Min. Tank Size100 gallons (for both species)β€”

Compatibility Positives

A stable shared temperature range is available.

Incompatibility Reasons

Their pH ranges overlap only partly, so aim for the shared band and keep it steady.
Green Terror Cichlid and Silver Arowana are both aggressive; housing them together invites sustained fighting rather than an occasional squabble.

Species Profiles

Green Terror Cichlid β€” Andinoacara rivulatus

Green Terror Cichlid and Silver Arowana 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

Silver Arowana β€” Osteoglossum bicirrhosum

Green Terror Cichlid and Silver Arowana compatibility β€” Silver Arowana

The Silver Arowana is a majestic and unique fish known for its striking appearance and size. It is a large, predatory fish that requires a spacious tank and specific water conditions. While not a community fish, it can be kept with compatible, larger species. They are sensitive to stress and require careful water quality management.

β†’ Full Silver Arowana care guide

Frequently Asked Questions

Can Green Terror Cichlid live with Silver Arowana?

Generally not recommended. Green Terror Cichlid and Silver Arowana are generally not recommended to be housed together. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Green Terror Cichlid and Silver Arowana are both aggressive; housing them together invites sustained fighting rather than an occasional squabble. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Green Terror Cichlid and Silver Arowana together?

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

What temperature suits both Green Terror Cichlid and Silver Arowana?

68–75Β°F β€” inside Green Terror Cichlid's 68–75Β°F and Silver Arowana's 68–86Β°F.

Is a Green Terror Cichlid aggressive toward a Silver Arowana?

Green Terror Cichlid and Silver Arowana are both aggressive; housing them together invites sustained fighting rather than an occasional squabble.

Related Compatibility Guides

Tank Size for Green Terror Cichlid and Silver Arowana

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

ScenarioTankWhen it applies
Minimum viable250 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community350 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup450 galBest when keeping larger schools or reducing territorial pressure.