Blue Line Triggerfish (Pseudobalistes fuscus)
The Blue Line Triggerfish is a striking marine species with bold blue lines accenting its strong, laterally compressed body. Active and intelligent, they are best suited for larger saltwater aquariums and require careful selection of tankmates due to their territorial nature.
 
Size: Up to 16 inches
Tank Size: 180+ gallons
Care Level: Advanced – requires experience with semi-aggressive marine fish
Diet: Omnivore – meaty foods, frozen and live foods, occasional algae
Temperament: Aggressive – can be territorial; best with robust, non-passive tankmates
Water Parameters: 75–82°F, pH 8.1–8.4