''Diaptomus'' 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 ...

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 ...

s with a single eye spot. It is superficially similar in size and appearance to ''Cyclops''. However it has characteristically very long first antennae that exceed the body length. In addition, the females carry the eggs in a single sac rather than the twin sacs seen in ''Cyclops''. It is a copepod of larger

freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. The term excludes seawater and brackish water, but it does include non-salty mi ...

ponds, lakes and still waters.

Species

''Diaptomus'' contains more than 60 species; many species formerly included in ''Diaptomus'' are now in separate genera such as '' Aglaodiaptomus'' and '' Notodiaptomus''. One species, the

German German(s) may refer to: * Germany, the country of the Germans and German things **Germania (Roman era) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizenship in Germany, see also Ge ...

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

''D. rostripes'', is included on the

IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological ...

as a

Data Deficient A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessaril ...

species. *'' Diaptomus affinis'' Ulyanin, 1875 *'' Diaptomus africanus'' Daday, 1910 *'' Diaptomus alpestris'' (Vogt, 1845) *'' Diaptomus angustaensis'' Turner, 1910 *'' Diaptomus armatus'' Herrick, 1882 *'' Diaptomus azureus'' Reid, 1985 *'' Diaptomus barabinensis'' Stepanova, 2008 *'' Diaptomus bidens'' Brehm, 1924 *'' Diaptomus biseratus'' Gjorgjewic, 1907 *'' Diaptomus borealis'' (Fischer, 1851) *'' Diaptomus caeruleus'' (Koch, 1844) *'' Diaptomus caesius'' (Koch, 1844) *'' Diaptomus carinifera'' Lowndes, 1934 *'' Diaptomus carnicus'' Senna, 1890 *'' Diaptomus castaneti'' Burckhardt, 1920 *'' Diaptomus castor'' (Jurine, 1820) *'' Diaptomus claviger'' O. F. Müller, 1785 *'' Diaptomus cookii'' King, 1855 *'' Diaptomus cyaneus'' Gurney, 1909 *'' Diaptomus falcifer'' Daday, 1905 *'' Diaptomus falsomirus'' Kiefer, 1972 *'' Diaptomus flagellatus'' Ulyanin, 1874 *'' Diaptomus flagellifer'' Brehm, 1953 *'' Diaptomus fluminensis'' Reid, 1985 *'' Diaptomus fuscatus'' Brady, 1913 *'' Diaptomus ganesa'' (Brehm, 1950) *'' Diaptomus gatunensis'' Marsh, 1913 *'' Diaptomus giganteus'' Herrick, 1881 *'' Diaptomus glacialis'' Lilljeborg, 1889 *'' Diaptomus guernei'' Imhof, 1891 *'' Diaptomus helveticus'' Imhof, 1885 *'' Diaptomus hyalinus'' (Koch, 1844) *'' Diaptomus informis'' (Kiefer, 1936) *'' Diaptomus innominatus'' Brady, 1907 *'' Diaptomus kenitraensis'' Kiefer, 1926 *'' Diaptomus kentuckyensis'' Chambers, 1881 *'' Diaptomus kincaidi'' Damkaer, 1988 *'' Diaptomus leoninicollinus'' Marsh, 1913 *'' Diaptomus ligericus'' Labbé, 1927 *'' Diaptomus lighti'' M. S. Wilson, 1941 *'' Diaptomus ligusticus'' Brian, 1927 *'' Diaptomus linus'' Brandorff, 1973 *'' Diaptomus longicornis'' Nicolet, 1848 *'' Diaptomus maria'' King, 1855 *'' Diaptomus meridionalis'' Kiefer, 1933 *'' Diaptomus mirus'' Lilljeborg ''in'' Guerne & Richard, 1889 *'' Diaptomus muelleri'' (Ferussac, 1806) *'' Diaptomus negrensis'' Andrade & Brandorff, 1975 *'' Diaptomus nigerianus'' Brady, 1910 *'' Diaptomus ovatus'' (Koch, 1844) *'' Diaptomus palustris'' Kiss, 1960 *'' Diaptomus pattersonii'' (Templeton, 1838) *'' Diaptomus pictus'' Brady, 1913 *'' Diaptomus pollux'' King, 1855 *'' Diaptomus rehmanni'' Grochmalicki, 1913 *'' Diaptomus rostripes'' Herbst, 1955 *'' Diaptomus rubens'' (O. F. Müller, 1785) *'' Diaptomus rubens'' (Koch, 1844) *'' Diaptomus santafesinus'' Ringuelet & Ferrato, 1967 *'' Diaptomus silvaticus'' S. Wright, 1927 *'' Diaptomus staphylinus'' (Milne Edwards, 1840) *'' Diaptomus tenuicornis'' (Dana, 1849) *'' Diaptomus trybomi'' Lilljeborg ''in'' Guerne & Richard, 1889 *'' Diaptomus uxorius'' King, 1855 *'' Diaptomus vexillifer'' Brehm, 1933 *'' Diaptomus wolterecki'' (Brehm, 1933) *'' Diaptomus zografi'' Kritchagin, 1887

References

Diaptomidae {{Copepod-stub