Silk tail horns mainly eat zooplankton. The silk tail horns live in deep lagoons or waters within 50 meters of the outer reef slopes, generally in pairs or alone.

The whole body of the fish is light blue, the upper part of the fish's head is gray-yellow with dark blue spots, and the front part of the eyes has a blue band. Silk tail angle hangingThe upper part of the fish side has a lot of dark blue Thin, irregular and dense dark blue vertical lines on the lower part of the body.