Distribution of nonindigenous Basket clams (Corbicula spp.) in Mexico

Authors: Jeremy Tiemann, Kevin Cummings, Everardo Barba, Charles Randklev

Corbicula spp. are one of the most prolific aquatic invasive species in the world and can have negative effects on aquatic ecosystems. We performed qualitative field surveys, examined literature accounts and natural history museum holdings, and accessed citizen science data sources to document the distribution of Corbicula in Mexico and shared drainages. Through 26 publications (N = 127 records), 312 museum holdings, and 446 iNaturalist records, we documented 885 records pertaining to Corbicula in Mexico and shared drainages with the USA. The first record of the species in Mexico was in 1969, and it has since been reported from 26 of the 32 Mexican states and most of the major river basins throughout the country. However, we suggest Corbicula are more prevalent in Mexico than we report in this work as it is often under sampled or under reported. Resumen Algunas especies de Corbicula son de las especies invasoras acuáticas más prolíficas del mundo y pueden tener efectos negativos en los ecosistemas acuáticos. En este trabajo, realizamos estudios de campo cualitativos, examinamos literatura y registros en museos de historia natural y, además, revisamos datos de ciencia ciudadana para documentar la distribución de Corbicula en México y cuencas compartidas con EUA. A través de 26 publicaciones (N = 127 registros), 312 registros de museos y 446 registros de iNaturalist, documentamos 885 registros pertenecientes a Corbicula en México. El primer registro en México de la especie en el país data de 1969 y, desde entonces, ha J.S. Tiemann et al. / Revista Mexicana de Biodiversidad 95 (2024): e955284 2 https://doi.org/10.22201/ib.20078706e.2024.95.5284

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