Abstract
A redescription of Neoechinorhynchus (Neoechinorhynchus) golvani Salgado-Maldonado (An Inst Biol Univ Nal Autón Méx, Ser Zool 49:35–47, 1978) is presented, based on adult specimens collected from the type host Paraneetroplus fenestratus from the type location, the Lago de Catemaco lake, Veracruz state, Mexico, and its presence is recorded in other cichlids. Detailed studies of N. (N.) golvani using light microscopy revealed some taxonomically important, previously unreported features, such as the size and shape of fully developed adult males and females, and the structure of the eggs. Morphological variability in N. (N.) golvani is described. Based on these data, the geographic distribution of this species is documented. Neoechinorhynchus (Neoechinorhynchus) panucensis n. sp. is described from Herichthys labridens (Pellegrin), Amatitlania nigrofasciata (Günther), and Herichthys cyanoguttatus Baird and Girard (all of them Cichlidae), collected in the Río Atlapexco, a tributary to the upper Río Panuco basin, Hidalgo State, Mexico. This new species stand up alone because of its minute proboscis (♂ 50 × 60, ♀ 42–55 (48.5) × 48–63 (57.7)) and anterior hooks (♂ 27–30 (28.8) × 3–5 (4), ♀ 28–32 (30) × 5 (5)). A key to the species of Neoechinorhynchus recorded from freshwater fishes in Central and South America is included.
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Acknowledgments
This study was supported by the Universidad Nacional Autónoma de México, Dirección General de Asuntos del Personal Académico, DGAPA UNAM Project PAPIIT IN220810. Thanks are due to Tere Novelo Turcotte, Isabel Jiménez García, Víctor M. Vidal Martínez, Leo Aguirre Macedo, Clara Vivás Rodríguez, Juan Violante González, Guillermina Cabañas-Carranza, Nancy Minerva López Flores, Elizabeth Mayén Peña, Petra Sánchez Nava, and Oscar Méndez, for technical assistance in the field and the laboratory. Thanks are due to the next ichthyologist, for collection and identification of fishes, Eduardo Soto Galera, Edmundo Díaz Pardo, Héctor Espinosa, Norman Mercado Silva, Rocío Rodiles Hernández, Salvador Contreras, and Humberto Mojica. Spetial thanks for help during field work toRaúl Pineda López, Juan Manuel Caspeta Mandujano and Frank Moravec.
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Salgado-Maldonado, G. Redescription of Neoechinorhynchus (Neoechinorhynchus) golvani Salgado-Maldonado, 1978 (Acanthocephala: Neoechinorhynchidae) and description of a new species from freshwater cichlids (Teleostei: Cichlidae) in Mexico. Parasitol Res 112, 1891–1901 (2013). https://doi.org/10.1007/s00436-013-3374-7
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DOI: https://doi.org/10.1007/s00436-013-3374-7