''Euphausia'' is the largest

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 ...

krill Krill are small crustaceans of the order Euphausiacea, and are found in all the world's oceans. The name "krill" comes from the Norwegian Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in n ...

, and is placed in the family

Euphausiidae Krill are small crustaceans of the order (biology), order Euphausiacea, and are found in all the world's oceans. The name "krill" comes from the Norwegian language, Norwegian word ', meaning "small Fry (biology), fry of fish", which is also oft ...

. There are 31 species known in this genus, including

Antarctic krill Antarctic krill (''Euphausia superba'') is a species of krill found in the Antarctic waters of the Southern Ocean. It is a small, swimming crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 ind ...

(''Euphausia superba'') and ice krill (''

Euphausia crystallorophias ''Euphausia crystallorophias'' is a species of krill, sometimes called ice krill, crystal krill, or Antarctic coastal krill. It lives in the coastal waters around Antarctica, further south than any other species of krill. The specimens for the sp ...

'') from the

Southern Ocean The Southern Ocean, also known as the Antarctic Ocean, comprises the southernmost waters of the World Ocean, generally taken to be south of 60° S latitude and encircling Antarctica. With a size of , it is regarded as the second-small ...

, and North Pacific krill (''

Euphausia pacifica ''Euphausia pacifica'', the North Pacific krill, is a euphausid that lives in the northern Pacific Ocean. In Japan, ''E. pacifica'' is called ''isada krill'' or ' (ツノナシオキアミ). It is found from Suruga Bay northwards, including all ...

'') in the

Pacific Ocean 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 continen ...

. *''

Euphausia americana ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern ...

'' Hansen, 1911 *'' Euphausia brevis'' Hansen, 1905 *''

'' Holt & Tattersall, 1906 *''

Euphausia diomedeae ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' Ortmann, 1894 *'' Euphausia distinguenda'' Hansen, 1908 *''

Euphausia eximia ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern ...

'' Hansen, 1911 *'' Euphausia fallax'' Hansen, 1916 *''

Euphausia frigida ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern ...

'' Hansen, 1911 *''

Euphausia gibba ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' G. O. Sars, 1883 *''

Euphausia gibboides ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern ...

'' Ortmann, 1893 *'' Euphausia hanseni'' Zimmer, 1915 *'' Euphausia hemigibba'' Hansen, 1910 *''

Euphausia krohnii ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' (Brandt, 1851) *''

Euphausia lamelligera ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Hansen, 1911 *''

Euphausia longirostris ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Hansen, 1908 *''

Euphausia lucens ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Hansen, 1905 *''

Euphausia mucronata ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' G. O. Sars, 1883 *''

Euphausia mutica ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Hansen, 1905 *''

Euphausia nana ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Brinton, 1962 *''

'' Hansen, 1911 *''

Euphausia paragibba ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' Hansen, 1910 *''

Euphausia pseudogibba ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' Ortmann, 1893 *''

Euphausia recurva ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' Hansen, 1905 *''

Euphausia sanzoi ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern ...

'' Torelli, 1934 *'' Euphausia sibogae'' Hansen, 1908 *''

Euphausia similis ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill ('' Euphausia crystallorophias'') from the Southern O ...

'' G. O. Sars, 1885 *'' Euphausia spinifera'' G. O. Sars, 1885 *''

Euphausia superba Antarctic krill (''Euphausia superba'') is a species of krill found in the Antarctic waters of the Southern Ocean. It is a small, swimming crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 ind ...

'' Dana, 1850 *'' Euphausia tenera'' Hansen, 1905 *''

Euphausia triacantha ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Holt & Tattersall, 1906 *''

Euphausia vallentini ''Euphausia'' is the largest genus of krill, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill (''Euphausia superba'') and ice krill (''Euphausia crystallorophias'') from the Southern Oc ...

'' Stebbing, 1900

References

External links

* Krill Crustacean genera Taxa named by James Dwight Dana {{Malacostraca-stub