Morphological and molecular characterization of three new species of Gyrodactylus (Monogenea: Gyrodactylidae) infecting Sicydium salvini (Teleostei: Gobiidae) in Mexican rivers draining into the Pacific Ocean |
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| Institution: | 1. CONACyT Research Fellow, Instituto de Ecología, A. C., Red de Estudios Moleculares Avanzados, Km 2.5 Ant. Carretera a Coatepec, 91073 Xalapa, Veracruz, Mexico;2. Instituto de Ecología, A. C., Red de Biología Evolutiva, Km 2.5 Ant. Carretera a Coatepec, 91073 Xalapa, Veracruz, Mexico;3. Doctorado en Ciencias, Instituto de Ecología, A. C., Red de Estudios Moleculares Avanzados, Km 2.5 Ant. Carretera a Coatepec, 91073 Xalapa, Veracruz, Mexico;1. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, 119071 Moscow, Russia;2. Institute of Biology, Karelian Research Centre, Russian Academy of Sciences, 185035 Petrozavodsk, Russia;3. Department of Zoology and Ecology, Petrozavodsk State University, 185910 Petrozavodsk, Russia;1. Key Laboratory of Aquaculture Disease Control, Ministry of Agriculture, State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, PR China;2. University of Chinese Academy of Sciences, Beijing 100049, PR China;3. University “St. Kliment Ohridski”, Faculty of Biotechnical Sciences, Bitola, R. N. Macedonia;1. Russian Federal Research Institute of Fisheries and Oceanography, Okruzhnoy Pr. 19, 105187 Moscow, Russia;2. Lomonosov Moscow State University, Leninskiye Gory 1, 119234 Moscow, Russia;3. Moscow representative office of A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS, Leninsky Pr. 38/3, Moscow 119991, Russia;1. Núcleo de Reabilitação da Fauna Silvestre e Centro de Triagem de Animais Silvestres (NURFS/CETAS/UFPEL), Universidade Federal de Pelotas (UFPel), Campus Universitário s/n, CEP 96160-000 Capão do Leão, RS, Brazil;2. Laboratório de Parasitologia de Animais Silvestres (LAPASIL), Departamento de Microbiologia e Parasitologia, Instituto de Biologia, Universidade Federal de Pelotas (UFPel), Campus Universitário s/n, CEP 96160-000 Capão do Leão, RS, Brazil;3. Programa de Pós-Graduação em Educação, Faculdade de Educação, Universidade Federal de Pelotas, Rua Alberto Rosa, 154, CEP 96010-770 Pelotas, RS, Brazil;4. Programa de Pós-Graduação em Biodiversidade Animal, Departamento de Ecologia, Zoologia e Genética, Instituto de Biologia, Universidade Federal de Pelotas (UFPel), Campus Universitário s/n, CEP 96160-00 Capão do Leão, RS, Brazil;5. Napeia consultoria e projetos Ltda, Av. Júlio de Castilhos, 2773, CEP 95010-003 Caxias do Sul, RS, Brazil;6. Grupo especial de proteção do ambiente aquático do Rio Grande do Sul (GEEPAA –RS), CEP 96010-900 Pelotas, RS, Brazil;1. Institute of Biosciences, Section of Parasitology, São Paulo State University (UNESP), Rua Professor Doutor Antônio Celso Wagner Zanin, 250, Botucatu, São Paulo 18618-689, Brazil;2. Department of Biological Sciences, Federal University of São Paulo (UNIFESP), Rua Professor Arthur Riedel, 275, Jardim Eldorado, Diadema, São Paulo 09972-270, Brazil;3. Universidade Federal Rural da Amazônia – UFRA, Instituto da Saúde e Produção Animal – ISPA, Laboratório de Histologia e Embriologia Animal – LHEA, Brazil;4. Universidade Federal de Uberlândia (UFU), Instituto de Ciências Agrárias, LMG-746, Km 1, Monte Carmelo 38500-000, MG, Brazil;5. Laboratório de Ensino e Pesquisa em Animais Silvestres – LAPAS, Faculdade de Medicina Veterinária, Universidade Federal de Uberlândia – UFU, Uberlândia, MG, Brazil |
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| Abstract: | The genus Gyrodactylus von Nordmann, 1832 is one of the most diverse within the class Monogenea; it contains mainly parasites of freshwater and marine teleost fishes. Around 40 species of Gyrodactylus have been described from gobiid fishes; mainly in Europe, as only two species are known from the Americas. In this study, we describe three new gyrodactylids from the body surface and fins of the goby Sicydium salvini (Gobiidae, Sycydiinae), which has a wide distribution on the Pacific coast, from Mexico to Panama. We describe Gyrodactylus oaxacae n. sp., G. atoyacensis n. sp. and G. salvini n. sp. collected from rivers draining to the eastern Pacific in the state of Oaxaca, Mexico. Morphologically, G. atoyacensis n. sp. and G. salvini n. sp. are very similar, and both are easily differentiated from G. oaxacae n. sp. Phylogenetic hypotheses based on sequences of the Internal Transcribed Spacers (ITS1–5.8S-ITS2 rDNA) and the D2 + D3 domains of the large ribosomal subunit (28S rDNA) support the erection of the three new taxa; and suggest that G. atoyacensis n. sp. and G. salvini n. sp. are sister species. These gyrodactylids are the first monogeneans described from gobies of the genus Sicydium in Mexico. |
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