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Cuadernos de Investigación UNED

versión impresa ISSN 1659-4266

Resumen

ANGULO, Arturo; RAMIREZ-COGHI, Ana Rosa  y  LOPEZ, Myrna. Claves para la identificación de los peces de las aguas continentales e insulares de Costa Rica. Parte I: Familias. Cuadernos de Investigación UNED [online]. 2021, vol.13, n.1, e3145. ISSN 1659-4266.  http://dx.doi.org/10.22458/urj.v13i1.3145.

“Identification keys for the fish of continental and insular waters of Costa Rica. Part I: Families.”

Introduction:

Knowledge about the taxonomic composition of the Costa Rican freshwater fish fauna has changed substantially in the last two decades. Not only due to the addition of new species and supra-specific taxa, but also due to rearrangements and taxonomic changes at the different hierarchical levels. The available taxonomic keys were published more than 20 years ago and are outdated.

Objective:

To provide up-to-date information, in a friendly language, for the identification of all Costa Rican families of continental and insular fishes.

Methods:

We used specialized literature, museum collections, and recently collected specimens to update the available keys based on a 2013 family list.

Results:

The key covers 53 families. The illustrated dichotomous key is based on external characters that are relatively “easy” to identify. We also include information about species composition, general distribution and habitat use. Conclusion: This key allows the identification of 274 fish species to family level, as a basis for further identification.

Palabras clave : Diversity; ichthyofauna; freshwater fishes; Central America; Neotropical region.

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