Bluelined Triggerfish

Bluelined Triggerfish
Latin name:
(Pseudobalistes fuscus)

Care Level





Blue, Green, Yellow



Preferred Conditions

sg 1.020-1.025, 72-78° F, dKH 8-12, pH 8.1-8.4

Avg. Max Size

1′ 10″

Minimum Tank Size

300 gallons


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The Bluelined Triggerfish is an excellent addition to any saltwater aquarium. Its vivid blue and yellow rippled coloration, along with its bright green eyes, make it a very attractive fish. It is relatively easy to care for, making it a great choice for beginner aquarists. Additionally, it is hardy and adaptable, making it suitable for a wide range of aquariums. The Bluelined Triggerfish is an active swimmer and enjoys a tank with plenty of open space to swim. It is also a great choice for reef aquariums as it is not known to disturb rocks or corals.

A 300 gallon or larger aquarium with rocks and caves provides an excellent habitat for the Bluelined Triggerfish. This species of fish is known for rearranging the landscape in the aquarium and is often heard making grunting noises. To ensure a healthy and happy Bluelined Triggerfish, providing a diversified environment with plenty of rocks and caves is essential. Additionally, it’s important to provide a larger aquarium than 300 gallons as the fish can grow up to 12 inches in length.

The Bluelined Triggerfish is an aggressive fish that needs a varied diet to help wear down its ever growing teeth. They enjoy squid, krill, clams, small fish, and hard shelled shrimp.