# Neocalanus

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{{Short description|Genus of crustaceans}}
{{automatic taxobox
| taxon = Neocalanus 
| authority = [Sars](/source/Georg_Ossian_Sars), 1925 
| type_species = ''Neocalanus gracilis''
| type_species_authority = ([Dana](/source/James_Dwight_Dana), 1852)
}}

'''''Neocalanus''''' is a genus of marine [copepod](/source/copepod)s.<ref name=WoRMS/> They are a dominant component of the open water ecosystems of the northern [Pacific Ocean](/source/Pacific_Ocean).<ref name="Conover 1988"/> ''Neocalanus'' are large copepods, reaching body lengths (i.e., prosome length) of more than {{convert|8|mm|abbr=on}} in ''Neocalanus plumchrus''.<ref name="Kobari et al. 2003"/>

==Species==
There are six species:<ref name=WoRMS/>
{{columns-list|colwidth=25em|
* ''[Neocalanus cristatus](/source/Neocalanus_cristatus)'' <small>(Krøyer, 1848)</small>
* ''[Neocalanus flemingeri](/source/Neocalanus_flemingeri)'' <small>Miller, 1988</small>
* ''[Neocalanus gracilis](/source/Neocalanus_gracilis)'' <small>(Dana, 1852)</small>
* ''[Neocalanus plumchrus](/source/Neocalanus_plumchrus)'' <small>(Marukawa, 1921)</small>
* ''[Neocalanus robustior](/source/Neocalanus_robustior)'' <small>(Giesbrecht, 1888)</small>
* ''[Neocalanus tonsus](/source/Neocalanus_tonsus)'' <small>(Brady, 1883)</small>
}}

==Life cycle==
===''Neocalanus flemingeri'' ===
''Neocalanus flemingeri'' is predominantly annual, with a significant fraction of [biennial](/source/biennial_plant)s in some areas. The largest females reach prosome length of about {{convert|5|mm|abbr=on}}; males are smaller.<ref name="Kobari and Ikeda 2001"/>

==Trophic interactions==
''Neocalanus'' are important food items for many predators, such as [North Pacific right whale](/source/North_Pacific_right_whale)<ref name=NMFS2006/> and [least auklet](/source/least_auklet).<ref name="Dorresteijn et al. 2012"/>

==References==
{{Reflist|30em|refs=
<ref name="Conover 1988">{{cite journal|last1=Conover|first1=R. J.|title=Comparative life histories in the genera ''Calanus'' and ''Neocalanus'' in high latitudes of the northern hemisphere|journal=Hydrobiologia|date=1988|volume=167-168|issue=1|pages=127–142|doi=10.1007/BF00026299|bibcode=1988HyBio.167..127C |s2cid=30898474}}</ref>

<ref name="Dorresteijn et al. 2012">{{cite journal|last1=Dorresteijn|first1=I.|last2=Kitaysky|first2=A.S.|last3=Barger|first3=C.|last4=Benowitz-Fredericks|first4=Z.M.|last5=Byrd|first5=G.V.|last6=Shultz|first6=M.|last7=Young|first7=R.|title=Climate affects food availability to planktivorous least auklets ''Aethia pusilla'' through physical processes in the southeastern Bering Sea|journal=Marine Ecology Progress Series|date=2012|volume=454|pages=207–220|doi=10.3354/meps09372|bibcode=2012MEPS..454..207D|doi-access=free}}</ref>

<ref name="Kobari et al. 2003">{{cite journal|last1=Kobari|first1=Toru|last2=Tadokoro|first2=Kazuaki|last3=Shiomoto|first3=Akihiro|last4=Hashimoto|first4=Shinji |title=Geographical variations in prosome length and body weight of ''Neocalanus'' copepods in the North Pacific |journal=[Journal of Oceanography](/source/Journal_of_Oceanography) |date=2003 |volume=59 |issue=1 |pages=3–10 |doi=10.1023/A:1022895802468|bibcode=2003JOce...59....3K |s2cid=56445802}}</ref>

<ref name="Kobari and Ikeda 2001">{{cite journal|last1=Kobari|first1=T.|last2=Ikeda|first2=T.|title=Life cycle of ''Neocalanus flemingeri'' (Crustacea: Copepoda) in the Oyashio region, western subarctic Pacific, with notes on its regional variations|journal=Marine Ecology Progress Series|date=2001|volume=209|pages=243–255|doi=10.3354/meps209243|bibcode=2001MEPS..209..243K|doi-access=free}}</ref>

<ref name=NMFS2006>[http://www.nmfs.noaa.gov/pr/pdfs/statusreviews/rightwhale2006.pdf National Marine Fisheries Service: Review of the Status of the Right Whales in the North Atlantic and North Pacific Oceans (2006)]. (PDF). Retrieved September 15, 2011.</ref>

<ref name=WoRMS>{{cite WoRMS |year=2015 |author1=Walter, T. Chad |author2=Boxshall, G. |title=''Neocalanus'' Sars G.O., 1925 |id=104155 |accessdate=6 December 2016 |db=Copepods}}</ref>
}}

{{Portal|Crustaceans}}
{{Taxonbar|from=Q6552673}}

Category:Calanoida
Category:Crustacean genera
Category:Taxa named by Georg Ossian Sars

{{copepod-stub}}

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Adapted from the Wikipedia article [Neocalanus](https://en.wikipedia.org/wiki/Neocalanus) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Neocalanus?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.