''Corophium'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of the

amphipod Amphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies. Amphipods range in size from and are mostly detritivores or scavengers. There are more than 9,900 amphipod species so far descr ...

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Corophiidae Corophiidae is a family of amphipods, containing the following genera: *'' Americorophium'' Bousfield & Hoover, 1997 *'' Anonychocheirus'' Moore & Myers, 1983 *'' Apocorophium'' Bousfield & Hoover, 1997 *'' Bathyphotis'' Stephensen, 1944 *'' Cha ...

. Formerly a much larger genus, many species have been transferred to segregate genera such as '' Monocorophium'' and '' Crassicorophium''.

Species

''Corophium'' contains 12 species, after the genus was divided into a number of new genera in 1997: *''

Corophium arenarium ''Corophium arenarium'' is a small (up to ) European amphipod crustacean of the family Corophiidae. It looks very similar to '' C. volutator''. It burrows in bottom sediments, between deep. ''Corophium arenarium'' originates from the coasts ...

'' Crawford, 1937 *''

Corophium bicaudatus ''Corophium'' is a genus of the amphipod family Corophiidae. Formerly a much larger genus, many species have been transferred to segregate genera such as '' Monocorophium'' and '' Crassicorophium''. Species ''Corophium'' contains 12 species, af ...

'' Linnaeus, 1761 *'' Corophium colo'' Lowry, 2004 *'' Corophium denticulatum'' Ren, 1995 *''

Corophium grossipes ''Corophium'' is a genus of the amphipod family Corophiidae. Formerly a much larger genus, many species have been transferred to segregate genera such as '' Monocorophium'' and '' Crassicorophium''. Species ''Corophium'' contains 12 species, af ...

'' Linnaeus, 1767 *''

Corophium laevicorne ''Corophium'' is a genus of the amphipod family Corophiidae. Formerly a much larger genus, many species have been transferred to segregate genera such as '' Monocorophium'' and '' Crassicorophium''. Species ''Corophium'' contains 12 species, af ...

'' Sowinsky, 1880 *''

Corophium linearis ''Corophium'' is a genus of the amphipod family Corophiidae. Formerly a much larger genus, many species have been transferred to segregate genera such as '' Monocorophium'' and '' Crassicorophium''. Species ''Corophium'' contains 12 species, af ...

'' Pennant, 1777 *''

Corophium longicornis ''Corophium'' is a genus of the amphipod family Corophiidae. Formerly a much larger genus, many species have been transferred to segregate genera such as '' Monocorophium'' and '' Crassicorophium''. Species ''Corophium'' contains 12 species, af ...

'' J. C. Fabricius, 1779 *'' Corophium multisetosum'' Stock, 1952 *''

Corophium orientale ''Corophium'' is a genus of the amphipod family Corophiidae. Formerly a much larger genus, many species have been transferred to segregate genera such as '' Monocorophium'' and '' Crassicorophium''. Species ''Corophium'' contains 12 species, af ...

'' Schellenberg, 1928 *'' Corophium urdaibaiense'' Marquiegui & Perez, 2006 *''

Corophium volutator ''Corophium volutator'' is a species of amphipod crustacean in the family Corophiidae. It is found in mudflats of the northern Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It ...

'' (Pallas, 1766)

''Corophium arenarium''

''C. arenarium'' may reach 7 mm long and looks very similar to '' C. volutator''. It burrows in bottom sediments, between 10 and 60 metres deep. ''C. arenarium'' occurs on the coasts of France and the North Sea.

''Corophium multisetosum''

''C. multisetosum'' may grow to 9 mm and builds mud burrows in clay or sand in fresh or weakly brackish habitats. It occurs on the coasts of the Netherlands, France, Germany, Poland and the British Isles.

''Corophium volutator''

''C. volutator'' inhabits the upper layers of

sand Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class of s ...

on the coasts of the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

, the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

and

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

, as well as in the

Bay of Fundy The Bay of Fundy (french: Baie de Fundy) is a bay between the Canadian provinces of New Brunswick and Nova Scotia, with a small portion touching the U.S. state of Maine. It is an arm of the Gulf of Maine. Its extremely high tidal range is the hi ...

New Brunswick New Brunswick (french: Nouveau-Brunswick, , locally ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. It is the only province with both English and ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

. They grow to 10 mm, and can occur in huge quantities: up to 40,000 per square metre have been observed.

References

{{Taxonbar, from=Q3933889 Corophiidea