''Cucullanus incognitus'' is a species of parasitic nematodes. It is an endoparasite of the rare

sparid Sparidae is a family of ray-finned fishes belonging to the order Spariformes, the seabreams and porgies, although they were traditionally classified in the order Perciformes. The over 150 species are found in shallow and deep marine waters in tem ...

fish ''

Dentex fourmanoiri ''Dentex'' is a genus of marine ray-finned fishes belonging to the family Sparidae, which includes the seabreams and porgies. The fishes in this genus are found in the eastern Atlantic Ocean and the eastern Indian and Western Pacific Oceans. Taxo ...

''. The species has been described in 2018 by

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 ...

& Jean-Lou Justine from material collected off

New Caledonia New Caledonia ( ; ) is a group of islands in the southwest Pacific Ocean, southwest of Vanuatu and east of Australia. Located from Metropolitan France, it forms a Overseas France#Sui generis collectivity, ''sui generis'' collectivity of t ...

in the South Pacific Ocean. Only female specimens were found. ''Cucullanus incognitus'' was characterized from other species of '' Cucullanus'' parasitic on

Sparidae Sparidae is a family of ray-finned fishes belonging to the order Spariformes, the seabreams and porgies, although they were traditionally classified in the order Perciformes. The over 150 species are found in shallow and deep marine waters in t ...

by the following morphological features (based on female morphology only): presence of cervical alae, postequatorial vulva and phasmids situated at the mid-length of the tail and the size of the eggs (75–84 × 45–66 μm).

References

{{Taxonbar, from=Q56676988 Ascaridomorpha Parasitic nematodes of fish Nematodes described in 2018 Nematodes of New Caledonia Endoparasites