Primera cita de Psalidodon dissensus (Lucena & Thofehrn 2013) (Characiformes, Characidae) en tributarios de la cuenca del río Uruguay, Misiones, Argentina

Abstract

Se realiza la primera cita de Psalidodon dissensus en cursos de agua de la provincia de Misiones, a partir de ejemplares provenientes del arroyo Yabotí, afluente del río Uruguay, inmerso en la Reserva de Biosfera Yabotí. Revalidado de la sinonimia del género Astyanax, Psalidodon incluye 21 nuevas combinaciones para la Argentina de la cuales siete están presentes en los sistemas fluviales de Misiones. La ictiofauna de la provincia, perteneciente a la Provincia Parano‐Platense, se caracteriza por la elevada diversidad y endemismo que la convierten en territorio de formidable valor biológico y de urgente necesidad de conservación.

The first record of Psalidodon dissensus in water courses of the Misiones province, from specimens from the Yabotí stream, a tributary of the Uruguay River, immersed in the Yabotí Biosphere Reserve, is made. Psalidodon, revalidated from the synonymy of the genus Astyanax, includes 21 new combinations for Argentina, of which seven are present in the river systems of Misiones. The ichthyofauna of the province, belonging to the Parano‐Platense Province, is characterized by its high diversity and endemism, making it a territory of formidable biological value and in urgent need of conservation.

The first record of Psalidodon dissensus in water courses of the Misiones province, from specimens from the Yabotí stream, a tributary of the Uruguay River, immersed in the Yabotí Biosphere Reserve, is made. Psalidodon, revalidated from the synonymy of the genus Astyanax, includes 21 new combinations for Argentina, of which seven are present in the river systems of Misiones. The ichthyofauna of the province, belonging to the Parano‐Platense Province, is characterized by its high diversity and endemism, making it a territory of formidable biological value and in urgent need of conservation.