''Gammarus setosus'' is a

gammarid Gammaridae is a family of amphipods. In North America they are included among the folk taxonomic category of " scuds", and otherwise gammarids is usually used as a common name. They have a wide distribution, centered on Eurasia, and are euryha ...

amphipod that inhabits the northern coasts of both the

Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...

and

Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the contine ...

oceans. Typically, this crustacean is found in the benthic sub-tidal or low inter-tidal regions. ''Gammarus setosus'' reproduces once a year in the autumn.

References

setosus Crustaceans described in 1931 {{Amphipod-stub