Sea Centipedes have long slender bodies that consist of 8-10 plates, they have two antennules and a rectangular shaped tail. There are several species with different colours. They tend to match the weed they live on.

Sea centipedes live on seaweeds in the intertidal and shallow subtidal.

They graze on seaweed.

Guide to Common Intertidal Species of the South Island, NZ: Scheil