Abstract
The gill lamellae ectoparasites of the spotted sea trout, Cynoscion nebulosus (Sciaenidae), in the western coast of the Yucatán Peninsula, Mexico, revealed three species of Monogenoidea: Cynoscionicola heteracantha (Manter 1938) Price, 1962 (Microcotylidae); Choricotyle cynoscioni (MacCallum, 1917) Llewellyn, 1941 (Diclidophoridae); and Diplectanum bilobatus Hargis, 1955 (Diplectanidae). Brief comments about the current taxonomic status as well as supplemental observations of all these monogenoids originally described and/or reported from the same host fish species found in the USA are provided. New illustrations, prevalence and mean intensity of infection, as well morphological and biometric data based on new specimens are shown. C. heteracantha and C. cynoscioni collected in this study represent the second and first records of the species of these genera for the Atlantic coast of Mexico. The specimens of D. bilobatus are provisionally retained within Diplectanum until an emendation of the genus and a formal revision of all named species of this monogenoidean genus are undertaken.
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Acknowledgments
We thank Ana D. Cu Escamilla of the laboratory of Histopathology (Institute of EPOMEX) for her invaluable help with fish collections and parasite extractions. This research was financially supported by the Programa de Mejoramiento del Profesorado (PROMEP) award (project no. PROMEP/103.5/11/6789) “Cuantificación de la ectoparasitosis [Platelmintos, Monogenea] de la corvina Sciaenops ocellatus [Perciformes, Sciaenidae] introducida en Campeche Mexico para su cultivo” of the Universidad Autónoma de Campeche (UAC), San Francisco de Campeche, Mexico. Dominique Roche (The Australian National University) reviewed the English of the manuscript. MCRT was supported by a Bachelor student fellowship from the PROMEP.
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Franco, E.F.M., del Rio Rodríguez, R.E. & del C. Rosado Tun, M. Monogenoideans (Platyhelminthes) from the gill lamellae of the spotted sea trout, Cynoscion nebulosus (Perciformes, Sciaenidae), from the western coast of the Yucatan Peninsula, Mexico, with redescription of Diplectanum bilobatus Hargis 1955 (Diplectanidae). Parasitol Res 112, 2831–2838 (2013). https://doi.org/10.1007/s00436-013-3454-8
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DOI: https://doi.org/10.1007/s00436-013-3454-8