Integrative systematic revision of the Montseny brook newt (Calotriton arnoldi), with the description of a new subspecies

The Montseny brook newt (Calotriton arnoldi), a glacial relict endemic to a small, isolated massif in northeast Spain, is considered the only Critically Endangered urodele in Europe. Its restricted range is divided by a deep valley that acts as an impassable barrier to dispersal, separating two isol...

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Detalles Bibliográficos
Autores: Talavera, Adrián, Valbuena-Ureña, Emilio, Burriel-Carranza, Bernat, Mochales-Riaño, Gabriel, Adams, Dean C., Amat, Fèlix, Carbonell, Francesc, Carranza, Salvador
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/373331
Acceso en línea:http://hdl.handle.net/10261/373331
https://api.elsevier.com/content/abstract/scopus_id/85196051952
Access Level:acceso abierto
Palabra clave:Subspecies
Amphibians
Calotriton arnoldilaietanusssp. nov.
Conservation
Montseny brook newt
Morphology
Descripción
Sumario:The Montseny brook newt (Calotriton arnoldi), a glacial relict endemic to a small, isolated massif in northeast Spain, is considered the only Critically Endangered urodele in Europe. Its restricted range is divided by a deep valley that acts as an impassable barrier to dispersal, separating two isolated metapopulations (Western and Eastern) that correspond to independent lineages with different evolutionary trajectories, based on genetic and genomic data. Here, we address the ecological differentiation between lineages and discuss its potential effect on the phenotypic distinctness of each lineage. Based on multiple lines of evidence, we formally describe the Western Montseny brook newt as a new subspecies: Calotriton arnoldi laietanus ssp. nov. Finally, our study underscores the importance of considering taxonomic progress in the conservation policies of endangered species, ensuring appropriate management and protection of the newly described taxa.