Horse horns eatalgal-eating fingerlings. Most of the horse face horns live in the waters between 3-35 meters deep in the coral reef area and the rocky area, but because the population of this fish is very rare, so far there is no clear habit of their life.

The horse face horns hang, fish The color of the upper and lower parts of the body is very different, In adults, the upper part of the body is gray-brown, and the lower part is gray-white. The top of the snout has a tumor-like bulge, and the overall shape is horse-like, so it is named horse-faced horn hanging. The dorsal and caudal fins are black, the upper and lower leaf margins of the caudal fin are elongated and filamentous, and the remaining fins are gray-black.