The Black Triggerfish (Odonus niger) is a visually captivating species prized for its deep blue to purple hues and dynamic swimming style. This large triggerfish is a popular choice for marine aquarists seeking an active and engaging fish to add to a suitably sized reef or fish-only aquarium.
Care Level: Moderate to advanced due to size and temperament.
Temperament and Compatibility: Odonus niger is semi-aggressive and can be territorial, especially as it matures. It is generally compatible with other robust fish species but may harass smaller or more timid tankmates. Avoid housing with very small or slow-moving fish. Suitable companions include larger tangs, angelfish, and other triggerfish.
Diet: Omnivorous. Provide a varied diet including meaty foods such as mysis shrimp, krill, and chopped seafood, supplemented with algae-based foods to ensure balanced nutrition.
Minimum Tank Size: At least 250 litres (approximately 65 gallons) to accommodate its active swimming and territorial behaviour.
Lighting and Water Flow: Standard reef aquarium lighting is sufficient. Moderate to strong water flow mimics its natural habitat and supports its health.
Placement: Provide ample open swimming space with plenty of hiding spots created by live rock formations to reduce stress and territorial disputes.
Origin: Not Provided.
Maximum Size: Up to 50 cm (20 inches) in length.
With proper care and tank conditions, the Black Triggerfish can be a stunning and rewarding addition to a large marine aquarium.
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