The Odonus niger, or Blue Velvet Triggerfish, is a captivating addition to any large marine aquarium. Known for its deep blue to purple hues and sleek body, this species is both visually striking and behaviourally engaging.
Care Level: Moderate to advanced. This species requires stable water conditions and a well-maintained environment.
Temperament: Semi-aggressive. While generally peaceful with non-aggressive tank mates, it may show territorial behaviour, especially in smaller tanks or when housed with other triggerfish.
Diet: Omnivorous. Feed a varied diet including meaty foods such as mysis shrimp, krill, and chopped seafood, supplemented with quality marine pellets or flakes to ensure balanced nutrition.
Minimum Tank Size: At least 250 litres (approximately 65 gallons) to provide ample swimming space and reduce territorial disputes.
Reef Safety: With Caution. May nip at corals and sessile invertebrates, so careful monitoring is advised if kept in reef setups.
Lighting and Water Flow: Standard marine aquarium lighting and moderate water flow are suitable. Ensure good water quality with regular maintenance.
Placement: Provide plenty of hiding places using live rock and caves to mimic natural habitat and reduce stress.
Origin: Indo-Pacific region.
Maximum Size: Up to 40 cm (16 inches) in captivity.
Overall, the Blue Velvet Triggerfish is a rewarding species for aquarists prepared to meet its care requirements and provide a suitable environment.
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