Sinodiaptomus
Encyclopedia
Sinodiaptomus is a genus of freshwater
Freshwater
Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...

 copepod
Copepod
Copepods are a group of small crustaceans found in the sea and nearly every freshwater habitat. Some species are planktonic , some are benthic , and some continental species may live in limno-terrestrial habitats and other wet terrestrial places, such as swamps, under leaf fall in wet forests,...

s in the family Diaptomidae
Diaptomidae
Diaptomidae is a family of freshwater pelagic copepods. It includes around 50 genera:*Acanthodiaptomus Kiefer, 1932*Aglaodiaptomus Light, 1938*Allodiaptomus Kiefer, 1936*Arctodiaptomus Kiefer, 1932*Argyrodiaptomus Brehm, 1933...

, found in Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

 and Palaearctic regions. The Japanese Sinodiaptomus valkanovi has established non-indigenous populations in California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, Bulgaria
Bulgaria
Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

 and New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

, although only the New Zealand population persists due to destruction of the habitat in California and Bulgaria. The genus was originally described as a subgenus
Subgenus
In biology, a subgenus is a taxonomic rank directly below genus.In zoology, a subgeneric name can be used independently or included in a species name, in parentheses, placed between the generic name and the specific epithet: e.g. the Tiger Cowry of the Indo-Pacific, Cypraea tigris Linnaeus, which...

 of Diaptomus
Diaptomus
Diaptomus is a genus of copepods 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...

, containing only Sinodiaptomus chaffanjoni, but now contains five species:
  • Sinodiaptomus chaffanjoni (Richard, 1897)
  • Sinodiaptomus indicus Kiefer, 1936
  • Sinodiaptomus mahanandiensis (Reddy & Rhadakrishna, 1980)
  • Sinodiaptomus sarsi (Rylov, 1923)
  • Sinodiaptomus valkanovi (Kiefer, 1938)
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