According to the information on QQ.com, the hairy flocculent objects on the sea rainbow's body, which look like hairs, are in fact the sea rainbow's filaments, which are used by the sea rainbow to be fixed to the seabed or on the net; when dealing with them, the filaments are ripped off by hand, and then the mud and sand on the body of the sea rainbow is brushed off by brushes and immersed in fresh brine to spit out the mud and sand in the body.

The sea rainbow is also called "mussels", in the sea is relatively common, from the category, the sea rainbow belongs to the mollusc phylum Valvularia heterostyla sea rainbow family.

The sea rainbow is also called "mussel".