Observations on two nematode species parasitizing freshwater fishes in Thailand, including Spinitectus thaiensis sp. nov. (Cystidicolidae) from Pseudomystus siamensis (Bagridae)

• Autorzy: Moravec F. , Yooyen T.
• Języki publikacji: EN

Abstrakty

EN

One new and one already known species of parasitic nematodes are described from the intestine of freshwater fishes in Chiang Mai Province, northern Thailand: Spinitectus thaiensis sp. nov. (Cystidicolidae) from the catfish Pseudomystus siamensis (Regan) (Bagridae, Siluriformes) in the Fang Brook, a tributary of the Kok River (the Mekong River basin), Fang District and Oceanicucullanus chitwoodae Le-Van-Hoa et Pham-Ngoc-Khue, 1971 (Cucullanidae) from the cyprinid Mystacoleucus marginatus (Valenciennes) (Cyprinidae, Cypriniformes) in the Ping River (the Chao Phraya River basin), Muang District. The new species, S. thaiensis, is very similar to S. petrowi Belous, 1965, differing from it, in addition to some biometrical differences, mainly in having simple cuticular spines (instead of transversely oriented peg-like spines with rounded ends) on the ventral surface of the female tail; the spicules are 156–171 and 66–72 μm long, the vulva is situated at 74% of female body length, and the entire oesophagus including the vestibule represents 14–15% of body length in the male and 12% in the female. The latter species, O. chitwoodae, was studied for the first time by scanning electron microscopy, which enabled to recognize some previously unrecorded morphological details in this species. The finding of O. chitwoodae in M. marginatus in Thailand represents new host and geographical records for this nematode.

Słowa kluczowe

EN

Bagridae; Chiang Mai Province; Cystidicolidae; Oceanicucullanus chitwoodae; Pseudomystus thaiensis; Spinitectus thaiensis; Thailand; catfish; freshwater fish; intestine; nematode; new species; observation; parasitic nematode

• Wydawca: -
• Czasopismo: Acta Parasitologica
• Rocznik: 2011
• Tom: 56
• Numer: 1
• Opis fizyczny: p.58-66,fig.,ref.

Twórcy

autor

Moravec F.

• Institute of Parasitology, Biology Centre, Academy of Sciences of the Czech Republic, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic

autor

Yooyen T.

Bibliografia

• Ali M.M. 1980. On a larva of a spiruroid nematode of fish. Acta Parasitologica Polonica, 27, 387–389.
• Arthur J.R., Lumanlan-Mayo S. 1997. Checklist of the parasites of fishes of the Philippines. FAO Fisheries Technical Paper. No. 369, FAO, Rome, 126 pp.
• Arya S.N. 1971. Synonymy of the genus Oceanicucullanus Schmidt and Kuntz, 1969 with the genus Indocucullanus Ali, 1956 with the proposal of two new subgenera. Rivista di Parassitologia, 51, 179–182.
• Chabaud A.G. 1975. Keys to genera of the order Spirurida. Part 2. Spiruroidea, Habronematoidea and Acuarioidea. In: (Eds. R.C. Anderson, A.G. Chabaud and S. Willmott) CIH keys to the nematode parasites of vertebrates. No. 3. Commonwealth Agricultural Bureaux, Farnham Royal, Bucks (UK), 58 pp.
• Chabaud A.G. 1978. Keys to genera of the superfamilies Cosmocercoidea, Seuratoidea, Heterakoidea and Subuluroidea. In: (Eds. R.C. Anderson, A.G. Chabaud, S. Willmott) CIH keys to the nematode parasites of vertebrates. No. 6. Commonwealth Agricultural Bureaux, Farnham Royal, Bucks (UK), 27 pp.
• Froese R., Pauly D. (Eds.) 2010. FishBase. World Wide Web electronic publication, www.fishbase.org, version October/2010.
• Ivashkin V.M., Khromova L.A. 1976. Cucullanata and Gnathostomatata of animals and man and the diseases caused by them. Essentials of Nematodology 27. Nauka, Moscow, 436 pp. (in Russian).
• Kalyankar S.D. 1971. A new nematode, Neospinitectus ophiocephali gen. n., sp. n. (Rhabdochonidae, Spinitectinae) from a freshwater fish Ophiocephalus punctatus (Day). Acta Parasitologica Polonica, 19, 247–249.
• Le-Van-Hoa. 1973. Mise en synonymie du genre Chitwoodia Le Van Hoa et al. 1971 avec Oceanicucullanus Schmidt et al. 1969. Annales de Parasitologie Humaine et Comparée, 48, 699–702.
• Le-Van-Hoa, Pham-Ngoc-Khue. 1971. Relation taxonomique entre Gendria Baylis, 1930 et Cucullanus Mueller, 1777 (Remarques sur la superfamille Seuratoidea Chabaud, Campana-Rouget et Brygoo, 1959). Annales de Parasitologie Humaine et Comparée, 46, 595–604.
• Mamaev Yu.L. 1968. Helminths of tuna fishes of the Sea of China. In: (Eds. K.I. Skryabin and Yu.L. Mamaev) Helminths of animals of the Pacific Ocean. Nauka, Moscow, pp. 5–27 (in Russian).
• Moravec F. 2007. Some aspects of the taxonomy and biology of adult spirurine nematodes parasitic in fishes: a review. Folia Parasitologica, 54, 239–257.
• Moravec F., Fiala I., Dyková I. 2004a. Philometra thaiensis sp. nov. (Nematoda, Philometridae) from Tetraodon palembangensis and T. fluviatilis (Pisces) from fresh waters in Thailand, with a key to Philometra spp. parasitic in the host’s abdominal cavity. Acta Parasitologica, 49, 319–324.
• Moravec F., García-Magaña L., Salgado-Maldonado G. 2002. Spinitectus tabascoensis sp. nov. (Nematoda, Cystidicolidae) from Ictalurus furcatus (Pisces) in southeastern Mexico. Acta Parasitologica, 47, 224–227.
• Moravec F., Laoprasert T. 2008. Redescription of Ichtyouris bursata Moravec & Prouza, 1995 (Nematoda: Pharyngodonidae), a parasite of wild and aquarium-reared discus Symphysodon spp. (Osteichthyes). Systematic Parasitology, 71, 137–143. DOI: 10.1007/s11230-008-9144-8.
• Moravec F., Nie P., Wang G. 2004b. 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, 339–351.
• Moravec F., Scholz T. 1991. Observations on some nematodes parasitic in freshwater fishes in Laos. Folia Parasitologica, 38, 163–178, plts. I–VIII.
• Moravec F., Wolter J., Körting W. 1999. Some nematodes and acanthocephalans from exotic ornamental fishes imported into Germany. Folia Parasitologica, 46, 296–310.
• Moravec F., Yooyen T. 2011. Two new species of Rhabdochona (Nematoda: Rhabdochonidae) from freshwater fishes in Thailand. Folia Parasitologica, in press.
• Petter A.J. 1974. Essai de classification de la famille des Cucullanidae. Bulletin du Muséum National d’Histoire Naturelle, 3 Série, No. 255, Zoologie, 177, 1469–1490.
• Petter A.J. 1979. Trois Nématodes parasites de Poissons en Malaisie. Bulletin du Muséum National d’Histoire Naturelle, 4 Série, Section A, 1, 585–596.
• Purivirojkul W. 2009. Fish parasite diversity in the Mekong River in the north of Thailand. KKU Science Journal, 37(Suppl.), 62–70.
• Ratanasritong S., Kliks M. 1972. A survey of the helminth parasites of freshwater fish in Chiang Mai Province. Bulletin of Chiang Mai Medical Technology, 5, 185–200.
• Schmidt G.D., Kuntz R.E. 1969. Nematode parasites of Oceanica. V. Four new species from fishes of Palawan, P. I., with a proposal for Oceanicucullanus gen. nov. Parasitology, 59, 389–396. DOI: 10.1017/S0031182000082354.
• Singh I., Tandon M.P. 2002. Taxometric assessments of Spinitectus caudispinulata sp. nov. from a food fish of River Yamuna at Allahabad. Experimental Pathology and Parasitology, 5/9, 25–31.
• Sirikanchana P. 1982. Check lists of parasites of fishes in Thailand. Kasetsart University Museum of Fisheries, Bangkok, 11 pp.
• Sood M.L. 1989. Fish nematodes from South Asia. Kalyani Publishers, New Delhi, 703 pp.
• Soota T.D. 1983. Studies on nematode parasites of Indian vertebrates I. Fishes. Records of the Zoological Survey of India, occasional paper no. 54. Zoological Survey of India, Calcutta, 352 pp.
• Yooyen T., Moravec F., Wongsawad C. 2011. Two new species of Cucullanus Müller, 1777 (Nematoda: Cucullanidae) from marine fishes off Thailand. Systematic Parasitology, in press.