Scanning electron microscopy studies of three paratype specimens (two males and one female) of Ascarophis parupenei Moravec, Orecchia & Paggi, 1988, an intestinal parasite of the marine fish Parupeneus indicus (Shaw) in the Indian Ocean, made it possible to redescribe in detail the cephalic structures of this nematode as well as the morphology of the male caudal end. The presence of non-bilobed sublabia, phasmids in both males and females, bifurcated deirids, well-developed precloacal cuticular ridges (area rugosa) and a ventral median caudal protuberance in the male are reported in this species for the first time. The general morphology and measurements of A. parupenei somewhat resemble those of Rasheedia novaecaledoniensis Moravec & Justine, 2018 described from the same host species (P. indicus) from off New Caledonia, but both species clearly differ from each other by the shape and structure of pseudolabia and the anterior portion of the digestive tract, belonging thus to different nematode families (Cystidicolidae and Physalopteridae, respectively).

Institute of Parasitology Biology Centre of the Czech Academy of Sciences Branišovská 31 370 05 České Budějovice Czech Republic

Zobrazit více v PubMed

Beveridge, I., & Moravec, F. (2020). Ascarophisnema hoiae n. sp. (Nematoda: Cystidicolidae), from the stomach of the trumpeter whiting, Sillago maculata Quoy Gaimard (Perciformes: Sillaginidae) from Moreton Bay, Queensland, Australia. Systematic Parasitology, 97, 297–304. https://doi.org/10.1007/s11230-020-09910-y PubMed DOI

Fagerholm, H.-P. (1982). Parasites of fish in Finland. VI. Nematodes. Acta Academiae Aboensis, Serie B, 40, 1–128

Fagerholm, H.-P., & Berland, B. (1988). Description of Ascarophis arctica Poljansky, 1952 (Nematoda: Cystidicolidae) in Baltic Sea fishes. Systematic Parasitology, 11, 151–158. https://doi.org/10.1007/BF00012265 DOI

Froese, R., & Pauly, D. (Eds.) (2024). FishBase. World Wide Web electronic publication. http://www.fishbase.org , version 07/2024

Hoa, L. V., Khue, P. N., & Lien, N. T. (1972). Étude de deux nouvelles espèces de nématodes du genre Bulbocephalus, Rasheed 1966, parasites des poissons de mer du Sud Viet-Nam (Remarques sur la sous-famille Bulbocephalinae, Rasheed 1966). Bulletin de la Société de Pathologie Exotique, 65, 313–322

Margolis, L. (1977). Caballeronema gen. nov. for Metabronema wardlei Smedley, 1934 (Nematoda, Spiruroidea) from the marine fish Scorpaenichthys marmoratus from the Pacific coast of Canada. Excerta Parasitológica en memoria del doctor Eduardo Caballero y Caballero, Instituto de Biología, UNAM, México, Publicaciones especiales 4, pp. 447–454

Moravec, F. (2007). Some aspects of the taxonomy and biology of adult spirurine nematodes parasitic in fishes: a review. Folia Parasitologica, 54, 239–257. https://doi.org/10.14411/fp.2007.033 PubMed DOI

Moravec, F., Dykman, L. N., & Davis, D. B. (2024). Three new species of Ascarophis van Beneden, 1871 (Nematoda: Cystidicolidae) from deep-sea hydrothermal vent fishes of the Pacific Ocean. Systematic Parasitology, 101, 2. https://doi.org/10.1007/s11230-023-10130-3 DOI

Moravec, F., & González-Solís, D. (2007). Structure of the cephalic end of Ascarophis mexicana (Nematoda: Cystidicolidae), as revealed by SEM. Folia Parasitologica, 54, 155–156. https://doi.org/10.14411/fp.2007.021 PubMed DOI

Moravec, F., Hanzelová, V., & Gerdeaux, D. (2007). New data on the morphology of Comephoronema oschmarini (Nematoda, Cystidicolidae), a little-known gastrointestinal parasite of Lota lota (Teleostei) in Palaearctic Asia. Acta Parasitologica, 52, 135–141. https://doi.org/10.2478/s11686-007-0018-z DOI

Moravec, F., Huffman, D. G., de Buron, I., & González-Solís, D. (2023). Redescriptions of Spinitectus acipenseri and S. micracanthus (Nematoda, Cystidicolidae), with notes on the taxonomy of Spinitectus-like nematodes parasitising North American fishes. Parasite, 30, 33. https://doi.org/10.1051/parasite/2023036

Moravec, F., & Justine, J.-L. (2007). A new species of Ascarophis (Nematoda, Cystidicolidae) from the stomach of the marine scorpaeniform fish Hoplichthys citrinus from a seamount off the Chesterfield Islands, New Caledonia. Acta Parasitologica, 52, 238–246. https://doi.org/10.2478/s11686-007-0026-z DOI

Moravec, F., & Justine, J.-L. (2009). Two cystidicolids (Nematoda, Cystidicolidae) from marine fishes off New Caledonia. Acta Parasitologica, 54, 341–349. https://doi.org/10.2478/s11686-009-0058-7 DOI

Moravec, F., & Justine, J.-L. (2010). Two new genera and species of cystidicolids (Nematoda, Cystidicolidae) from marine fishes off New Caledonia. Parasitology International, 59, 198–205. https://doi.org/10.1016/j.parint.2010.01.005 PubMed DOI

Moravec, F., & Justine, J.-L. (2018). Rasheedia n. nom. (Nematoda, Physalopteridae) for Bulbocephalus Rasheed, 1966 (a homonym of Bulbocephalus Watson, 1916), with description of Rasheedia heptacanthi n. sp. and R. novaecaledoniensis n. sp. from perciform fishes off New Caledonia. Parasite, 25, 39. https://doi.org/10.1051/parasite/2018033

Moravec, F., & Klimpel. S. (2007). A new species of Comephoronema (Nematoda: Cystidicolidae) from the stomach of the abyssal halosaur Halosauropsis macrochir (Teleostei) from the Mid-Atlantic Ridge. Journal of Parasitology, 93, 901–906. https://doi.org/10.1645/GE-1065R.1 PubMed DOI

Moravec, F., & Nagasawa, K. (2021). Some spirurid nematodes (Spirurida) from freshwater and brackish-water fishes in Okinawa Prefecture, Japan, with descriptions of two new species. Acta Parasitologica, 66, 163–177. https://doi.org/10.1007/s11686-020-00268-1 PubMed DOI

Moravec, F., Nie P., & Wang, G. (2004). New data on the morphology and systematic status of Spinitectus petrowi and Spinitectus gigi (Nematoda: Cystidicolidae) parasitic in catfishes in central China. Folia Parasitologica, 51, 346–358. https://doi.org/10.14411/fp.2004.044 PubMed DOI

Moravec, F., Orecchia, P., & Paggi, L. (1988). Three interesting nematodes from the fish Parupeneus indicus (Mullidae, Perciformes) of the Indian Ocean, including a new species, Ascarophis parupenei sp. n. (Habronematoidea). Folia Parasitologica, 35, 47–57 PubMed

Moravec, F., Pachanawan, A., & Kamchoo, K. (2016). Redescription of two species of cystidicolid nematodes (Spirurina: Cystidicolůidae) from Notopterus notopterus (Osteichthyes) in Thailand. Acta Parasitologica, 61, 278–290. https://doi.org/10.1515/ap-2016-0038 PubMed DOI

Moravec, F., & Rokicki, J. (2002). Some new data on the morphology of Cystidicola farionis (Nematoda, Cystidicolidae), a swimbladder parasite of salmonids, as revealed by SEM. Acta Parasitologica, 47, 29–33

Moravec, F., Santos, M. D., & Brasil-Sato, M. C. (2008). Redescription of Cystidicoloides fischeri based on specimens from piranhas in Brazil, and erection of a new genus (Nematoda: Cystidicolidae). Journal of Parasitology, 94, 889–897. https://doi.org/10.1645/GE-1419.1 PubMed DOI

Moravec, F., Shamsi, S., & Justine, J.-L. (2021). Redescription of Ascarophis distorta Fusco et Overstreet, 1978 (Nematoda, Cystidicolidae) from the stomach of some butterflyfishes off New Caledonia. Acta Parasitologica, 66, 907–914. https://doi.org/10.1007/s11686-021-00359-7 PubMed DOI

Muñoz, G., & George-Nascimento, M. (2007). Two new species of Ascarophis (Nematoda: Cystidicolidae) in marine fishes from Chile. Journal of Parasitology, 93, 1178–1188. https://doi.org/10.1645/GE-1169R1.1 PubMed DOI

Rasheed, S. (1966). On some interesting nematode parasites of fish from Pakistan. Parasitology, 56, 151–160 PubMed DOI

Vassiliadès, G., Diaw, O. T. (1978). Description d’une nouvelle espèce de Nématode du genre Bulbocephalus (Physalopteridae), parasite des rougets des côtes du Sénégal. Bulletin de l’Institut Français d’Afrique Noire, Série A, 40, 28–35