''Daphnia sinevi'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

water flea The Diplostraca or Cladocera, commonly known as water fleas, are a superorder of small crustaceans that feed on microscopic chunks of organic matter (excluding some predatory forms). Over 1000 species have been recognised so far, with many more ...

s from the

Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...

Description

''Daphnia sinevi'' grows to a length of .

Distribution and taxonomy

''Daphnia sinevi'' is only known from a single pool, in diameter at Avangard, near

Nakhodka Nakhodka ( rus, Нахо́дка, p=nɐˈxotkə) is a port city in Primorsky Krai, Russia, located on the Trudny Peninsula jutting into the Nakhodka Bay of the Sea of Japan, about east of Vladivostok, the administrative center of the krai. Po ...

, Primorsky Krai,

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

. It was collected there in 2004 by A. Y. Sinev, and described in 2006 in the '' Journal of Plankton Research''. The

holotype A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several ...

, along with an allotype and a series of paratypes are held at the Zoological Museum of Moscow State University. The closest relatives of ''D. sinevi'' are other species in the species group around '' D. curvirostris'', especially ''

Daphnia morsei ''Daphnia'' is a genus of small planktonic crustaceans, in length. ''Daphnia'' are members of the order Anomopoda, and are one of the several small aquatic crustaceans commonly called water fleas because their saltatory swimming style resemble ...

''.

References

Cladocera Freshwater crustaceans of Asia Endemic fauna of Russia Crustaceans described in 2006 {{Branchiopoda-stub