Care Level: Easy
Behavior:  Aggressive
Reef Compatible: No
Max. Size: Up to 10"
Diet: Carnivore

Red Tail Triggerfish (Xanthichthys sp.)


The Sargassum Triggerfish, otherwise known as the Red Tail Triggerfish, are purple in body. Their tails are lined with red and they are outlined in a dark red. They are also marked with evenly spaced spots across their bodies.


It is best to house these fish in 125 gallon tanks or larger with caves or rocks to stimulate a natural habitat. The Sargassum tends to rearrange the landscaping to their liking as they maneuver across the aquarium. These fish can be kept in reef aquariums but with caution.



The diet of the Sargassum Triggerfish should include: marine algae, shrimp, squid, clams, and vitamin-enriched herbivore preparations.

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BluReef Aquarium

2198 Flatbush Avenue

Brooklyn, New York 11234

United States

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Brooklyn, NY