Harlequin Bass Aquarium Care Guide

Keeping Harlequin Bass in an aquarium requires the right conditions.

Aquarium Information

• Care level: intermediate
• Temperament: semi-aggressive
• Diet: carnivore
• Minimum tank size: 30 gallons
• Compatibility: Can be kept with other similarly sized, semi-aggressive fish. May prey on very small invertebrates and fish. Best kept singly or in a very large tank with multiple individuals introduced simultaneously.
• Special requirements: Requires plenty of rockwork for hiding and establishing territories. A well-established tank with stable water parameters is crucial. Benefits from multiple small feedings throughout the day.

Water parameters

Temperature

72-78°F (22-26°C)

pH level

8.1-8.4

Hardness

8-12 dKH

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