 It is often found on algae, and is most closely associated with the seaweed "Fucus vesiculosus".It lives in shallow water, and is often found around artificial constructions, such as docks.It is an omnivore, feeding on debris and preying on small crustaceans, especially harpacticoid copepods, but consumes a greater proportion of macrozooplankton than other common littoral mysids, such as "Neomysis integer" and "Praunus inermis".