Artículo
Abstract:
Examination of the spiral intestines of 44 freshwater stingrays, Potamotrygon motoro, from tributary rivers of the Paraná River in Argentina, allowed for the collection of specimens of an undescribed species of Acanthobothrium. Acanthobothrium ramiroi n. sp. can be distinguished from all other congeners by the combination of the following characters: asymmetrical hooks (medial and lateral hooks conspicuously different in size and form, with axial prong of medial hooks stouter than abaxial prong), hook size (total length of medial hooks up to 242 μm, total length of lateral hooks up to 239 μm), bothridia not fused to the scolex proper at posterior ends, worm size (51-84 mm long), and the presence of a conspicuous vaginal sphincter. The new species is different from all other species of Acanthobothrium in freshwater potamotrygonids, except Acanthobothrium terezae, in having conspicuous asymmetrical hooks. The main differences that allow for the distinction between A. ramiroi and A. terezae include hook size, the way the bothridia are attached to the scolex proper, and the shape of the older gravid segments. The discovery of a new species of Acanthobothrium from a potamotrygonid extends our understanding of the diversity of the genus in freshwater stingrays in South America. © American Society of Parasitologists 2005.
Registro:
| Documento: | Artículo |
| Título: | A new species of Acanthobothrium (Cestoda: Tetraphyllidea: Onchobothriidae) from the ocellate river stingray, Potamotrygon motoro (Chondrichthyes: Potamotrygonidae), in Argentina |
| Autor: | Ivanov, V.A. |
| Filiación: | Departamento de Biodiversidad y Biología Experimental, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina |
| Palabras clave: | new species; Acanthobothrium; Acanthobothrium ramiroi; Acanthobotrium terezae; Argentina; article; cestode; intestine; nonhuman; Potamotrygon motoro; river; Animals; Argentina; Cestoda; Cestode Infections; Fish Diseases; Intestines; Microscopy, Electron, Scanning; Prevalence; Rivers; Skates (Fish); Argentina; South America; Western Hemisphere; World; Acanthobothrium; Cestoda; Chondrichthyes; Dasyatidae; Onchobothriidae; Potamotrygon motoro; Potamotrygonidae; Potamotrygoninae; Tetraphyllidea |
| Año: | 2005 |
| Volumen: | 91 |
| Número: | 2 |
| Página de inicio: | 390 |
| Página de fin: | 396 |
| DOI: | http://dx.doi.org/10.1645/GE-354R1 |
| Título revista: | Journal of Parasitology |
| Título revista abreviado: | J. Parasitol. |
| ISSN: | 00223395 |
| CODEN: | JOPAA |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00223395_v91_n2_p390_Ivanov |
Referencias:
- Brooks, D.R., Amato, J.F.R., Cestode parasites in Potamotrygon motoro (Natterer) (Chondrichthyes: Potamotrygonidae) from Southwestern Brazil, including Rhinebothroides mclennanae n. sp. (Tetraphyllidea: Phyllobothriidae), and a revised host-parasite checklist for helminthes inhabiting Neotropical freshwater stingrays (1992) Journal of Parasitology, 78, pp. 393-398
- Thorson, T.B., Mayes, M.A., Fresh-water stingrays (Potamotrygonidae) and their helminth parasites: Testing hypotheses of evolution and coevolution (1981) Advances in Cladistics: Proceedings of the First Meeting of the Willi Hennig Society, pp. 147-175. , V. A. Funk and D. R. Brooks (eds.). New York Botanical Garden, New York
- Caira, J.N., Calliobothrium evani sp. n. (Tetraphyllidea: Onchobothriidae) from the Gulf of California, with a redescription of the hooks of C. lintoni and a proposal for onchobothriid hooks terminology (1985) Proceedings of the Helminthological Society of Washington, 52, pp. 166-174
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- Campbell, R.A., Beveridge, I., The genus Acanthobothrium (Cestoda: Tetraphyllidea: Onchobothriidae) parasitic in Australian elasmobranch fishes (2002) Invertebrate Systematics, 16, pp. 237-344
- Euzet, L., (1959) Recherches sur les Cestodes Tétraphyllides des Sélaciens de Côte de France, , Thèses présenteés à la Faculté des Sciences de Montpellier, Montpellier, France, 236 p
- Ghoshroy, S., Caira, J.N., Four new species of Acanthobothrium (Cestoda: Tetraphyllidea) from the whiptail stingray Dasyatis brevis in the Gulf of California, Mexico (2001) Journal of Parasitology, 87, pp. 354-372
- Marques, F.P.L., (2000) Evolution of Neotropical Freshwater Stingrays and their Parasites: Taking into Account Space and Time, , Doctoral Dissertation. University of Toronto, Toronto, Canada, 325 p
- Monks, S., Brooks, D.R., Pérez Ponce De León, G., A new species of Acanthobothrium van Beneden, 1849 (Eucestoda: Tetraphyllidea: Onchobothriidae) in Dasyatis longus Garman (Chondrichthyes: Myliobatiformes: Dasyatididae) from Chamela Bay, Jalisco, Mexico (1996) Journal of Parasitology, 82, pp. 484-488
- Rego, A.A., Dias, A.P.L., Etudos de cestóides de peixes do Brasil, 3a nota: Cestóides de raias fluviais Paratrygonidae (1976) Revista Brasileira de Biologia, 36, pp. 941-956
Citas:
---------- APA ----------
(2005) . A new species of Acanthobothrium (Cestoda: Tetraphyllidea: Onchobothriidae) from the ocellate river stingray, Potamotrygon motoro (Chondrichthyes: Potamotrygonidae), in Argentina. Journal of Parasitology, 91(2), 390-396.http://dx.doi.org/10.1645/GE-354R1
---------- CHICAGO ----------
Ivanov, V.A. "A new species of Acanthobothrium (Cestoda: Tetraphyllidea: Onchobothriidae) from the ocellate river stingray, Potamotrygon motoro (Chondrichthyes: Potamotrygonidae), in Argentina" . Journal of Parasitology 91, no. 2 (2005) : 390-396.http://dx.doi.org/10.1645/GE-354R1
---------- MLA ----------
Ivanov, V.A. "A new species of Acanthobothrium (Cestoda: Tetraphyllidea: Onchobothriidae) from the ocellate river stingray, Potamotrygon motoro (Chondrichthyes: Potamotrygonidae), in Argentina" . Journal of Parasitology, vol. 91, no. 2, 2005, pp. 390-396.http://dx.doi.org/10.1645/GE-354R1
---------- VANCOUVER ----------
Ivanov, V.A. A new species of Acanthobothrium (Cestoda: Tetraphyllidea: Onchobothriidae) from the ocellate river stingray, Potamotrygon motoro (Chondrichthyes: Potamotrygonidae), in Argentina. J. Parasitol. 2005;91(2):390-396.http://dx.doi.org/10.1645/GE-354R1
