''Cichlidogyrus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

monopisthocotylea The Monopisthocotylea are a subclass of parasitic flatworms in the class Monogenea. WoRMS (2019). Monopisthocotylea. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=119219 on 2019-02-08 Yamaguti, S. (1963). Systema Helminthum V ...

monogenea Monogeneans 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 have both male and female reprod ...

ns in the family Ancyrocephalidae. The type-species of the genus is '' Cichlidogyrus arthracanthus'' Paperna, 1960, by original designation. All the species of the genus are

parasites Parasitism is a Symbiosis, close relationship between species, where one organism, the parasite, lives on or inside another organism, the Host (biology), host, causing it some harm, and is Adaptation, adapted structurally to this way of lif ...

on the

gill 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 ...

s of

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

, namely African

Cichlidae Cichlids are fish from the family Cichlidae in the order Cichliformes. Cichlids were traditionally classed in a suborder, the Labroidei, along with the wrasses ( Labridae), in the order Perciformes, but molecular studies have contradicted thi ...

Nandidae Nandidae, the leaffish, are a family of small freshwater fishes which some authorities classify in the order Anabantiformes, but which the 5th edition of '' Fishes of the World'' classifies the family and the related Badidae and Pristolepididae ...

and Cyprinodontidae. Species of ''Cichlidogyrus'' are parasitic in many clichlid species in the

Lake Tanganyika Lake Tanganyika () is an African Great Lake. It is the second-oldest freshwater lake in the world, the second-largest by volume, and the second-deepest, in all cases after Lake Baikal in Siberia. It is the world's longest freshwater lake. ...

; a recent study (2016) has shown that species which are parasite on deep-water fish show reduced parasite-host specificity in comparison to species from littoral waters, probably an adaptation to low host availability. According to Antoine Pariselle and

Louis Euzet Louis Euzet (27 July 1923 in Lézignan-Corbières, France – 24 September 2013 in Sète, France) was a French parasitologist. Education Louis Euzet was a high-school student in Narbonne, France, and a student of the University of Montpelli ...

, 71 species of ''Cichlidogyrus'' were known in 2009 - new species have been described since. Nikol Kmentová, Milan Gelnar, Stephan Koblmüller and Maarten P.M. Vanhove estimated that the number of species was more than 100 in 2016 and Chahrazed Rahmouni, Maarten P. M. Vanhove and Andrea Šimková listed 111 species in 2017. Species of ''Cichlidogyrus'' have been introduced in various parts of the world, as

alien species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

, where their hosts, particularly

tilapia Tilapia ( ) is the common name for nearly a hundred species of cichlid fish from the coelotilapine, coptodonine, heterotilapine, oreochromine, pelmatolapiine, and tilapiine tribes (formerly all were "Tilapiini"), with the economically most ...

, have been introduced.

Species

Among many species, a few examples: * '' Cichlidogyrus antoineparisellei'' Rahmouni, Vanhove & Šimková, 2018 *'' Cichlidogyrus attenboroughi'' Kmentová, Gelnar, Koblmüller & Vanhove, 2016 *''

Cichlidogyrus berminensis ''Cichlidogyrus berminensis'' is a species of monopisthocotylean monogenean in the family Dactylogyridae. It is known to infect ''Tilapia'' species, particularly '' Tilapia bemini'', and was first found in Cameroon. It can be differentiated fr ...

'' Pariselle, Nyom & Bilong, 2013 *''

Cichlidogyrus centesimus ''Cichlidogyrus centesimus'' is a species of monopisthocotylean monogenean in the family Dactylogyridae. It was first found infecting the gills of '' Ophthalmotilapia ventralis'' in Lake Tanganyika. It can be differentiated from its cogenerate ...

'' Vanhove, Volckaert & Pariselle, 2011 * '' Cichlidogyrus dracolemma'' Řehulková, Mendlová & Šimková, 2013 * ''

Cichlidogyrus evikae ''Cichlidogyrus evikae'' is a species of monopisthocotylean monogenean in the family Dactylogyridae (or Ancyrocephalidae according to certain classifications). It is a parasite of the gills of the fish '' Tanganicodus irsacae'' (Perciforme, Cic ...

'' Rahmouni, Vanhove & Šimková, 2017 *''

Cichlidogyrus gillesi ''Cichlidogyrus gillesi'' is a species of monopisthocotylean monogenean in the family Dactylogyridae. It is known to infect ''Tilapia'' species, particularly '' Tilapia guineensis'', and was first found in Cameroon. It can be differentiated fr ...

'' Pariselle, Nyom & Bilong, 2013 * ''

Cichlidogyrus jeanloujustinei ''Cichlidogyrus jeanloujustinei'' is a species of monopisthocotylean monogenean in the family Dactylogyridae (or Ancyrocephalidae according to certain classifications). It is a parasite of the gills of the fish '' Eretmodus marksmithi'' (Perci ...

'' Rahmouni, Vanhove & Šimková, 2017 * ''

Cichlidogyrus kmentovae ''Cichlidogyrus kmentovae'' is a species of monopisthocotylean monogenean in the family Dactylogyridae (or Ancyrocephalidae according to certain classifications). It is a parasite of the gills of the fish '' Hemichromis stellifer'' (Perciforme, ...

'' Jorissen, Pariselle & Vanhove in Jorissen et al., 2018 *''

Cichlidogyrus makasai ''Cichlidogyrus makasai'' is a species of monopisthocotylean monogenean in the family Dactylogyridae. It was first found infecting the gills of '' Ophthalmotilapia ventralis'' in Lake Tanganyika Lake Tanganyika () is an African Great Lake ...

'' Vanhove, Volckaert & Pariselle, 2011 * '' Cichlidogyrus nageus'' Řehulková, Mendlová & Šimková, 2013 *'' Cichlidogyrus philander'' Douëllou, 1993 * '' Cichlidogyrus sclerosus'' Paperna & Thurston, 1969 *'' Cichlidogyrus sturmbaueri'' Vanhove, Volckaert & Pariselle, 2011 * ''

Cichlidogyrus tilapiae ''Cichlidogyrus'' is a genus of monopisthocotylean monogeneans in the family Ancyrocephalidae. The type-species of the genus is ''Cichlidogyrus arthracanthus'' Paperna, 1960, by original designation. All the species of the genus are parasites o ...

'' Paperna, 1960Paperna, Ilan. 1960: Studies on monogenetic trematodes in Israel. 2. Monogenetic trematodes of cichlids. Bamigdeh, Bulletin of Fish Culture in Israel 12: 20-33. *''

Cichlidogyrus vandekerkhovei ''Cichlidogyrus vandekerkhovei'' is a species of monopisthocotylean monogeneans in the family Ancyrocephalidae. It was first found infecting the gills of '' Ophthalmotilapia ventralis'' in Lake Tanganyika Lake Tanganyika () is an African Gre ...

'' Vanhove, Volckaert & Pariselle, 2011

References

{{Taxonbar, from=Q16958353 Ancyrocephalidae Monogenea genera