Seven new species of Urocleidoides (Monogenea: Dactylogyridae) from Brazilian fishes supported by morphological and mole
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FISH PARASITOLOGY - ORIGINAL PAPER
Seven new species of Urocleidoides (Monogenea: Dactylogyridae) from Brazilian fishes supported by morphological and molecular data Aline Cristina Zago 1 & Fábio Hideki Yamada 2 & Priscilla de Oliveira Fadel Yamada 1 & Lidiane Franceschini 1 & Marcela Fontes Bongiovani 1 & Reinaldo José da Silva 1 Received: 21 March 2019 / Accepted: 26 July 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Seven new species of Urocleidoides from the gills and skin of nine Neotropical fish hosts (Anostomidae, Parodontidae, and Gymnotidae) are described: Urocleidoides digitabulum n. sp. on Leporinus friderici, Leporinus octofasciatus, and Megaleporinus elongatus (Anostomidae); Urocleidoides solarivaginatus n. sp. on L. friderici, L. octofasciatus, and Leporinus striatus (Anostomidae); Urocleidoides falxus n. sp. and Urocleidoides sapucaiensis n. sp. on M. elongatus; Urocleidoides tenuis n. sp. on Apareiodon piracicabae and Apareiodon affinis (Parodontidae); Urocleidoides sinus n. sp. on L. striatus, Schizodon nasutus, and Schizodon intermedius (Anostomidae); and Urocleidoides uncinus n. sp. on Gymnotus sylvius (Gymnotidae). Urocleidoides paradoxus was also found in this study on L. friderici and included in the phylogenetic analysis. Molecular data (partial 28S rDNA and mitochondrial cytochrome oxidase subunit I) were obtained for U. digitabulum n. sp., U. tenuis n. sp., U. sinus n. sp., and U. uncinus n. sp. The identification of Urocleidoides is amended herein to include all taxonomic modifications observed in this genus over time and add new characteristics observed in the species in the present study. Phylogenetic analysis revealed Urocleidoides digitabulum n. sp. and Urocleidoides sinus n. sp. (parasites of anostomids) closely related in the tree topologies. Furthermore, the new species described herein parasitized phylogenetically distant host species (Characiformes and Gymnotiformes), suggesting the effect of the dynamic process of ecological fitting. Keywords Anostomidae . Gymnotidae . Parodontidae . Neotropical region . COI mtDNA . 28S rDNA fragments
Introduction Monogeneans are among the most widely studied fish parasite groups in the Neotropics (Eiras et al. 2011; Cohen et al. 2013). As of 2013, approximately 651 nominal species of monogeneans had been reported from fishes, amphibians, and reptiles Section Editor: Shokoofeh Shamsi Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00436-020-06831-z) contains supplementary material, which is available to authorized users. * Aline Cristina Zago [email protected] 1
Department of Parasitology, Institute of Biosciences, São Paulo State University (UNESP), Rua Professor Doutor Antônio Celso Wagner Zanin, n° 250, Botucatu, São Paulo 18618-689, Brazil
2
Department of Biological Sciences, Regional University of Cariri (URCA), Rua Coronel Antônio Luiz, n° 1,161, Crato, Ceará 63105-000, Brazil
from freshwater, brackish, and marine environments in South America (Cohe
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