Euphausia
Encyclopedia
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 Ocean
, and North Pacific krill (Euphausia pacifica) in the Pacific Ocean
.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of krill
Krill
Krill is the common name given to the order Euphausiacea of shrimp-like marine crustaceans. Also known as euphausiids, these small invertebrates are found in all oceans of the world...
, and is placed in the family Euphausiidae. There are 31 species known in this genus, including Antarctic krill
Antarctic krill
Antarctic krill, Euphausia superba, is a species of krill found in the Antarctic waters of the Southern Ocean. It is a shrimp-like crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 individual animals per cubic metre...
(Euphausia superba) and ice krill (Euphausia crystallorophias
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...
) from the Southern Ocean
Southern Ocean
The Southern Ocean comprises the southernmost waters of the World Ocean, generally taken to be south of 60°S latitude and encircling Antarctica. It is usually regarded as the fourth-largest of the five principal oceanic divisions...
, and North Pacific krill (Euphausia pacifica) in the Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...
.
- Euphausia americana Hansen, 1911
- Euphausia brevis Hansen, 1905
- Euphausia crystallorophiasEuphausia crystallorophiasEuphausia 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...
Holt & Tattersall, 1906 - Euphausia diomedeae Ortmann, 1894
- Euphausia distinguenda Hansen, 1908
- Euphausia eximia Hansen, 1911
- Euphausia fallax Hansen, 1916
- Euphausia frigida Hansen, 1911
- Euphausia gibba G. O. Sars, 1883
- Euphausia gibboides Ortmann, 1893
- Euphausia hanseni Zimmer, 1915
- Euphausia hemigibba Hansen, 1910
- Euphausia krohnii (Brandt, 1851)
- Euphausia lamelligera Hansen, 1911
- Euphausia longirostris Hansen, 1908
- Euphausia lucens Hansen, 1905
- Euphausia mucronata G. O. Sars, 1883
- Euphausia mutica Hansen, 1905
- Euphausia nana Brinton, 1962
- Euphausia pacifica Hansen, 1911
- Euphausia paragibba Hansen, 1910
- Euphausia pseudogibba Ortmann, 1893
- Euphausia recurva Hansen, 1905
- Euphausia sanzoi Torelli, 1934
- Euphausia sibogae Hansen, 1908
- Euphausia similis G. O. Sars, 1885
- Euphausia spinifera G. O. Sars, 1885
- Euphausia superbaAntarctic krillAntarctic krill, Euphausia superba, is a species of krill found in the Antarctic waters of the Southern Ocean. It is a shrimp-like crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 individual animals per cubic metre...
Dana, 1850 - Euphausia tenera Hansen, 1905
- Euphausia triacantha Holt & Tattersall, 1906
- Euphausia vallentini Stebbing, 1900