Description
Balistoides conspicillum, commonly known as the Clown Triggerfish, is one of the most visually striking and recognizable triggerfish in the marine aquarium trade. It features a bold pattern of large white spots across the lower body, a deep black base, and a vivid yellow mouth with contrasting white markings, creating a high-contrast, almost cartoon-like appearance. Juveniles are especially vibrant, while adults retain strong patterning with increased size and presence.
Native to the Indo-Pacific, the Clown Triggerfish inhabits lagoons and outer reef slopes, where it patrols territory and feeds on hard-shelled invertebrates.
Lighting: Moderate; adapts well to standard marine lighting
Flow: Moderate to high; thrives in well-oxygenated environments with strong water movement
Placement: Active swimmer occupying mid to upper water column with ample open space
Temperature: 75–80°F (24–27°C)
Salinity: 1.0265 SG (35 PPT)
pH: 8.1–8.4
Alkalinity: 8–10 dKH
Diet: Carnivorous; requires a varied diet including shrimp, clams, squid, and other meaty foods to maintain health and dental wear
Aggression: Highly aggressive; becomes increasingly territorial and dominant with age
Adult Size: Up to 50 cm
Care Level: Advanced – requires very large aquariums, strong filtration, and experienced handling
Compatibility: Not reef-safe; best suited for large predator systems with robust tank mates capable of withstanding aggressive behavior
