''Moravecnema'' 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 ...

of parasitic nematodes, belonging to the family Cystidicolidae.

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 ...

of ''Moravecnema'' are parasitic as adults in the gastrointestinal tract 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 ...

. According to the

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialist ...

, the genus currently (2019) includes a single species, ''Moravecnema segonzaci'',Bezerra, T.N.; Decraemer, W.; Eisendle-Flöckner, U.; Hodda, M.; Holovachov, O.; Leduc, D.; Miljutin, D.; Mokievsky, V.; Peña Santiago, R.; Sharma, J.; Smol, N.; Tchesunov, A.; Venekey, V.; Zeng, Z.; Vanreusel, A. (2019). Nemys: World Database of Nematodes. MoravecnemaJustine, Cassone & Petter, 2002. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=390864 on 2019-01-05 which is a parasite in a deep-sea fish.

Description

The genus ''Moravecnema'' is characterised by a dorsoventrally elongated oral opening, rudimentary pseudolabia, and four pairs of precloacal and six pairs of postcloacal caudal papillae in the male.

Etymology

The name of the genus ''Moravecnema'' was created in the honour of Czech 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 ...

, "in recognition to his outstanding work on systematics of fish nematodes". The gender is neuter. The specific epithet ''segonzaci'' refers to Michel Segonzac, from

Ifremer IFREMER (Institut Français de Recherche pour l'Exploitation de la Mer; ) is an oceanographic institution in Brest, France. Scope of works Ifremer focuses its research activities in the following areas: * Monitoring, use and enhancement of coa ...

, France, who collected the specimens.

Hosts and localities

''Moravecnema segonzaci'' Justine, Cassone & Petter, 2002 is a parasite of the intestine of the eelpout '' Pachycara thermophilum'' ( Zoarcidae) from the hydrothermal sites Logatchev and Snake Pit-Moose of the Mid-Atlantic Ridge, at depths of 3,000-3,510 m. The fish were caught by slurp gun by the submarine

DSV Alvin ''Alvin'' (DSV-2) is a crewed deep-ocean research submersible owned by the United States Navy and operated by the Woods Hole Oceanographic Institution (WHOI) in Woods Hole, Massachusetts. The vehicle was built by General Mills' Electronics Grou ...

. The fish is a deep sea fish and this

nematode The nematodes ( or grc-gre, Νηματώδη; la, Nematoda) or roundworms constitute the phylum Nematoda (also called Nemathelminthes), with plant-Parasitism, parasitic nematodes also known as eelworms. They are a diverse animal phylum inhab ...

is one of the few species recorded from deep-sea fish.

References

{{Taxonbar, from=Q18583718 Cystidicolidae Parasites of fish Secernentea genera Parasitic nematodes of fish