More info
Datasheet
| Minimum Tank Size | 400 litres / 105.67 US gallons |
| Maximum Size | 29.0cm / 11.42inches |
| Reef Compatible | Reef safe with caution |
| Temperament | Aggressive towards similar species of same gender |
| Temperature | 22.2°C / 71.96°F - 25.6°C / 78.08°F |
| Specific Gravity | 1.020-1.025 |
| Carbonate Hardness | 8-12 |
| pH | 8.1-8.4 |
General Description
The Harlequin Bass (Serranus tigrinus) belongs to the Serranidae family of predatory fish and is suitable for tank life. These fish have a tendency to prey on small fish and crustaceans that can fit in their mouths, but are generally peaceful towards other aquarium inhabitants. While some species may exhibit aggression towards more docile fish, most Harlequin Bass are easy to feed and do not require live food, thriving on a varied diet of frozen fish and crustaceans.
Aquarium Suitability
The Harlequin Bass is deemed suitable for aquariums, but caution is advised due to its aggressive behavior towards similar species of the same gender. They are recommended to be kept in pairs introduced simultaneously and require a tank of at least 400 liters due to their voracious appetite.
Demands, Care, and Hardiness
This species is considered hardy and can coexist well with other tank mates if provided with ample hiding spots such as between live rocks. Regular feeding once a day with a varied diet is essential for their well-being.
Reef Suitability
The Harlequin Bass is classified as reef-safe with caution, as they may pose a threat to smaller fish and crustaceans found in reef environments.
Aquarium Setup
To successfully house a Harlequin Bass, an aquarium with good hiding places between live rocks, a minimum capacity of 400 liters, and a robust filtration system capable of handling the heavy bio-load they create is necessary. Maintaining water parameters within the range of pH 8.1-8.4, a temperature of 22.2-25.6°C, a specific gravity of 1.020-1.025, and a dKH of 8-12 is crucial for their well-being.
Behaviour
These fish can exhibit aggressive behavior towards other fish, especially those that are peaceful or docile. Providing ample space, regular feeding, and plenty of hiding places can help mitigate their aggressive tendencies.
Feeding and Diet
Harlequin Bass thrive on a varied diet that includes fish, larger crustaceans like shrimp and crabs, other invertebrates, and small crustaceans such as krill, mysis, and artemia. Offering a diverse food selection is essential for their nutritional needs.
Habitat and Distribution
Harlequin Bass can be found in the Western Atlantic region, ranging from Bermuda and southern Florida, USA to northern South America, including the Caribbean and Antilles. Their natural habitat includes areas with ample hiding spots amidst rocks and crevices where they can thrive as predatory fish.