The Assasi Triggerfish (Rhinecanthus assasi) is a visually captivating species prized for its bold colouration and distinctive markings. This medium-sized triggerfish is a popular choice among marine aquarium enthusiasts who have experience with semi-aggressive fish.
Care Level: Moderate to advanced. This species requires stable water conditions and a well-maintained environment.
Temperament and Compatibility: Rhinecanthus assasi is known for its territorial and semi-aggressive nature. It is best kept singly or with other robust tank mates that can tolerate its assertiveness. Avoid housing with very small or timid fish to prevent stress or injury.
Diet: Omnivorous. Provide a varied diet including meaty foods such as mysis shrimp, krill, and chopped seafood, supplemented with high-quality marine pellets or flakes. Regular feeding supports vibrant colour and health.
Tank Requirements: A minimum tank size of 150 litres (approximately 40 US gallons) is recommended to provide ample swimming space and territories. The aquarium should include plenty of live rock for hiding and grazing.
Water Parameters: Maintain stable marine conditions with temperature between 24-27°C, salinity at 1.023-1.025 SG, and pH 8.1-8.4.
Reef Safety: With Caution. While not strictly reef safe, it may be kept in reef tanks without small invertebrates or delicate corals that could be disturbed or eaten.
Origin: Red Sea and Western Indian Ocean.
Maximum Size: Up to 20 cm (approximately 8 inches).
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