Bristletail Filefish

The Bristletail Filefish is a small, cryptic species prized by aquarists for its unusual appearance and manageable size. Its body is laterally compressed with rough, sandpaper-like skin typical of filefish, featuring a mottled pattern of browns, tans, and greens that allows it to blend seamlessly into seagrass beds and rubble zones in its native Indo-Pacific habitat. Radiating lines and markings on the body give this species its scientific name, and its distinctive bristle-like tail appendages make it instantly recognizable.

In the aquarium, the Bristletail Filefish is a shy, retiring species that prefers heavily decorated tanks with plenty of live rock, macroalgae, and hiding places. It moves slowly and deliberately, often hovering at unusual angles as it inspects rockwork for small invertebrates and algae to graze upon. This species acclimates best in calm, established aquariums with peaceful tankmates that will not outcompete it for food.

While relatively hardy once established, the Bristletail Filefish is not considered reef-safe due to its tendency to pick at small invertebrates, coral polyps, and tube worms. It may also consume ornamental shrimp and other desirable invertebrates. Its small adult size makes it suitable for moderately sized aquariums, and it can be an endearing and interactive pet once it becomes comfortable with its keeper.