Oceans striking for its beauty and has a rich flora and fauna. Thus, in the tropical seas of the oceans live Spirobranchus giganteus – type of polychaete worms, bizarrely similar to Christmas trees. Their colorful tentacles, rolled into a spiral, reminiscent of pine branches, and the animals themselves can be almost any color.
Spirobranchus giganteus lead a sedentary life in close association with the coral system in the pits on the surface of their colonies calcareous tube. Representatives of this type are often kept in aquariums with coral polyps.