''Calanus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of marine

copepod Copepods (; meaning 'oar-feet') are a group of small crustaceans found in nearly every freshwater and saltwater habitat (ecology), habitat. Some species are planktonic (living in the water column), some are benthos, benthic (living on the sedimen ...

in the family Calanidae (Order

Calanoida Calanoida is an order of copepods, a group of arthropods commonly found as zooplankton. The order includes around 46 families with about 1800 species of both marine and freshwater copepods between them. Description Calanoids can be distinguish ...

). The genus was split in 1974, with some species being placed in a new genus, ''

Neocalanus ''Neocalanus'' is a genus of marine copepods. They are a dominant component of the open water ecosystems of the northern Pacific Ocean. ''Neocalanus'' are large copepods, reaching body lengths (i.e., prosome length) of more than in ''Neocalanus ...

''. The following species are recognised: *'' Calanus aculeatus'' Brady, 1918 *'' Calanus agulhensis'' De Decker, Kaczmaruk & Marska, 1991 *'' Calanus chilensis'' Brodsky, 1959 *'' Calanus dorsalis'' (Rafinesque, 1817) *''

Calanus euxinus ''Calanus euxinus'' is a copepod ubiquitous to the Black Sea and the Marmara Sea and a main source of prey for small and juvenile fish as the largest part of the zooplankton biomass. ''Calanus euxinus'' was misidentified originally as a variatio ...

'' Hulsemann, 1991 *''

Calanus finmarchicus ''Calanus finmarchicus'' is a species of copepod and a component of the zooplankton, which is found in enormous amounts in the northern Atlantic Ocean. Distribution and ecology ''Calanus finmarchicus'' is most commonly found in the North Sea and ...

'' (Gunnerus, 1770) *'' Calanus glacialis'' Jaschnov, 1955 *''

Calanus helgolandicus ''Calanus helgolandicus'' is a copepod found in the Atlantic, from the North Sea south to the western coast of Africa. The female has an average size of about and the male has an average size of about . Description The female has an average siz ...

'' (Claus, 1863) *'' Calanus hyperboreus'' Krøyer, 1838 *'' Calanus jashnovi'' Hulsemann, 1994 *''

Calanus marshallae ''Calanus marshallae'' is a species of copepod which forms part of the zooplankton in the northern Atlantic Ocean and the northern Pacific Ocean. Taxonomy Several species of copepod in the genus ''Calanus'' tend to dominate the zooplankton of t ...

'' Frost, 1974 *''

Calanus pacificus ''Calanus pacificus'' is a species of copepod found in the Pacific Ocean. The female has an average length of about , and the male has a value of about . Description The female is about in length, and typically ranges from in length. The male ...

'' Brodsky, 1948 *''

Calanus propinquus ''Calanus propinquus'' is a copepod found in Antarctica, and the surrounding waters. Description The female averages about in length, whereas the male has an average of about . The female usually ranges between around , and the male ranges fro ...

'' Brady, 1883 *''

Calanus simillimus ''Calanus'' is a genus of marine copepod in the family Calanidae (Order Calanoida). The genus was split in 1974, with some species being placed in a new genus, ''Neocalanus''. The following species are recognised: *'' Calanus aculeatus'' Br ...

'' Giesbrecht, 1902 *''

Calanus sinicus ''Calanus sinicus'' is a copepod found in the northwest Pacific. Description The female ''C. sinicus'' generally ranges from about . The male generally ranges between about . For adults and copepodite stages IV and above, lower temperatures res ...

'' Brodsky, 1962 *''

Calanus torticornis ''Calanus'' is a genus of marine copepod in the family Calanidae (Order Calanoida). The genus was split in 1974, with some species being placed in a new genus, ''Neocalanus''. The following species are recognised: *'' Calanus aculeatus'' Br ...

'' (Brady, 1918)

References

Calanoida Articles containing video clips Copepod genera {{copepod-stub