The blue-tailed ash hanging can grow up, with a body length of about 39cm. The blue-tailed gray hanging generally lives in the subtropics. The head is generally purple-gray, the edge of the body is bright blue, and the tail fin has a white band. It likes to live in groups. The temperature of the blue tail ash hanging in the aquarium is preferably about 22-25 degrees Celsius, and it is necessary to provide an activity space of not less than 500 liters of water, and create various caves for hiding.

The blue-tailed ashes are mainly epiphytes on the sand Algae for food. The food can also be prepared with seaweed, vegetables, frozen fish and shrimp meat, invertebrates, and high-quality plant-based marine fish feed containing seaweed. Can. Blue-tailed ash hangers are more sensitive to water quality, but they can accept most standard foods and are moderately difficult to raise.