The lifespan of Lan's hanging is about 10 years, and it can reach 20 years if it is well maintained. After understanding how long the Lan's hanging life is, let's take a look at the appearance characteristics of the Lan's hanging.

The body of Lan's hang is oval in length and flat on the side. The head is small and the profile of the back of the head is not particularly prominent. The mouth is small, end position, with a row of flat teeth in the upper and lower jaws, the teeth are fixed and immovable, and the tooth margins are notched. The spines of the dorsal and anal fins are sharp, and the rays are not elongated; the pectoral fins are nearly triangular; the caudal fins are nearly truncate or concave.