Zostera marina
The snake pipefish occurs in more open and deeper water than other species of pipefish, with a depth range of and it lives among kelp and other types of deep water sea weeds, as well as sea grass such as "Zostera marina", but some individuals both young and large adults have been caught in pelagic waters. Its colour and patterning provides good camouflage in such habitats. The colonisation of the Waddensee sand flats by the invasive Japanese seaweed "Sargassum muticum" has facilitated an increase of snake pipefish in that area.