''Kritskyia'' is a genus of

monogenea Monogeneans, members of the class Monogenea, are a group of ectoparasitic flatworms commonly found on the skin, gills, or fins of fish. They have a direct lifecycle and do not require an intermediate host. Adults are hermaphrodites, meaning they ...

ns in the family

Ancyrocephalidae Ancyrocephalidae is a family of monogenean flatworms.WoRMS (2018). Ancyrocephalidae Bychowsky & Nagibina, 1968. Accessed at: http://marinespecies.org/aphia.php?p=taxdetails&id=160481 on 2018-08-09 The family is considered as a "temporary name" in ...

. Like other monogeneans, species of ''Kritskyia'' only have one host required to complete their life cycle. In contrast to most species of monogeneans which are parasitic on the

gills A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

or on the

skin Skin is the layer of usually soft, flexible outer tissue covering the body of a vertebrate animal, with three main functions: protection, regulation, and sensation. Other animal coverings, such as the arthropod exoskeleton, have different ...

of fish, species of ''Kritskyia'' are

parasitic Parasitism is a close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The ent ...

in the urinary organs of fish. The genus was created by Anna Kohn in 1990, and the definition of the genus was emended by Boeger, Tanaka and Pavanelli in 2001. The name of the genus honours the American

parasitologist Parasitology is the study of parasites, their hosts, and the relationship between them. As a biological discipline, the scope of parasitology is not determined by the organism or environment in question but by their way of life. This means it f ...

Delane C. Kritsky Delane C. Kritsky is an American parasitologist who specialised on the Monogenea, a class of parasitic flatworms which are important ectoparasites of fishes. His research was mainly in the fields of taxonomy (biology), taxonomy, faunistics, and p ...

, "for his contribution to our knowledge of Brazilian Monogenea".

Species

Species of ''Kritskyia'' include: *''

Kritskyia moraveci ''Kritskyia'' is a genus of monogeneans in the family Ancyrocephalidae. Like other monogeneans, species of ''Kritskyia'' only have one host required to complete their life cycle. In contrast to most species of monogeneans which are parasitic o ...

'' Kohn, 1990, a parasite of the urinary bladder and ureters of the fish '' Rhamdia quelen'' (Quoy & Gaimard, 1824) (

Pimelodidae The Pimelodidae, commonly known as the long-whiskered catfishes, are a family of catfishes (order Siluriformes). Taxonomy The family Pimelodidae has undergone much revision. Currently, it contains about 30 genera and about 90 recognized and know ...

Siluriformes Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Catfish are named for their prominent barbels, which resemble a cat's whiskers, though not all catfish have prominent barbels or "whis ...

). The name of the species honours the

Czech Czech may refer to: * Anything from or related to the Czech Republic, a country in Europe ** Czech language ** Czechs, the people of the area ** Czech culture ** Czech cuisine * One of three mythical brothers, Lech, Czech, and Rus *Czech (surnam ...

parasitologist

František Moravec František Moravec CBE (23 July 1895 – 26 July 1966) was the chief Czechoslovak military intelligence officer before and during World War II. He moved to the United States after the war. Biography In 1915, Moravec was drafted into Austro-Hun ...

. *''

Kritskyia annakohnae ''Kritskyia'' is a genus of monogeneans in the family Ancyrocephalidae. Like other monogeneans, species of ''Kritskyia'' only have one host required to complete their life cycle. In contrast to most species of monogeneans which are parasitic o ...

'' Boeger, Tanaka & Pavanelli, 2001, a parasite of the urinary bladder and ureters of the

piranha A piranha (, or ; ) is any of a number of freshwater fish species in the subfamily Serrasalminae, of the family Serrasalmidae, in the order Characiformes. These fish inhabit South American rivers, floodplains, lakes and reservoirs. Although ...

s ''

Serrasalmus marginatus ''Serrasalmus'' is a genus of piranhas. They are collectively known as pirambebas; the "typical" piranhas like the piraya piranha are nowadays placed in ''Pygocentrus''. Like all piranhas, ''Serrasalmus'' are native to South America. These fish ...

'' Valenciennes, 1836 and ''

Serrasalmus spilopleura ''Serrasalmus'' is a genus of piranhas. They are collectively known as pirambebas; the "typical" piranhas like the piraya piranha are nowadays placed in ''Pygocentrus''. Like all piranhas, ''Serrasalmus'' are native to South America. These fish ...

'' Kner, 1858 (

Serrasalmidae The Serrasalmidae (serrasalmids) are a family of characiform fishes native to freshwater habitats of South America. They include more than 90 species. The name means "serrated salmon family", which refers to the serrated keel running along the ...

Characiformes Characiformes is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras.; Buckup P.A.: "Relationsh ...

). The name of the species honours the Brazilian parasitologist Anna Kohn. Boeger W. A., Tanaka L. K. & Pavanelli G. C. Neotropical Monogenoidea. 39: a new species of ''Kritskyia'' (Dactylogyridae, Ancyrocephalinae) from the ureters and urinary bladder of ''Serrasalmus marginatus'' and ''S. spilopleura'' (Characiformes, Serrasalmidae) from southern Brazil with an emended generic diagnosis . Zoosystema(1): 5-10 *''

Kritskyia boegeri ''Kritskyia'' is a genus of monogeneans in the family Ancyrocephalidae. Like other monogeneans, species of ''Kritskyia'' only have one host required to complete their life cycle. In contrast to most species of monogeneans which are parasitic o ...

'' Takemoto, Lizama & Pavanelli 2002, a parasite of the urinary bladder of ''

Prochilodus lineatus ''Prochilodus lineatus'', the streaked prochilod, is a species of ray-finned fish in the family Prochilodontidae. It is native to the Paraná River, Paraná—Paraguay River, Paraguay and Paraíba do Sul River, Paraíba do Sul river basins in So ...

'' (

Prochilodontidae The Prochilodontidae, or flannel-mouthed characins, are a small family of freshwater fishes found primarily in the northern half of South America, south to Paraguay and northern Argentina. This family is closely related to the Curimatidae, and in ...

). *''

Kritskyia salmini ''Kritskyia'' is a genus of monogeneans in the family Ancyrocephalidae. Like other monogeneans, species of ''Kritskyia'' only have one host required to complete their life cycle. In contrast to most species of monogeneans which are parasitic o ...

'' Cepeda, Ceccarelli & Luque, 2011 a parasite of the urinary bladder of ''

Salminus brasiliensis ''Salminus brasiliensis'', also known as the golden dorado, dorado, river tiger, dourado, or jaw characin is a large, predatory Characiformes, characiform freshwater fish found in central and east-central South America. Despite having ''Salm ...

'' (

References

{{Taxonbar, from=Q21219136 Ancyrocephalidae Monogenea genera Parasites of fish