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Article
Published: 2016-10-02

Validity and Redescription of Profundulus balsanus Ahl, 1935 (Cyprinodontiformes: Profundulidae)

Colección de Ictiología, Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas. México. CP. 29039. Tuxtla Gutiérrez, Chiapas, México
Colección de Ictiología, Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas. México. CP. 29039. Tuxtla Gutiérrez, Chiapas, México
Departamento de Investigación, Área de Acuacultura, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional, Unidad Oaxaca, Instituto Politécnico Nacional. Hornos Núm. 1003, Col. Noche Buena, Municipio Santa Cruz Xoxocotlán, C.P. 71230, Oaxaca, México
Colección de Ictiología, Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas. México. CP. 29039. Tuxtla Gutiérrez, Chiapas, México
Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Panama
Colección de Ictiología, Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas. México. CP. 29039. Tuxtla Gutiérrez, Chiapas, México
The Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago IL 60605 USA
Colección de Ictiología, Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas. México. CP. 29039. Tuxtla Gutiérrez, Chiapas, México
Pisces meristic fish systematics taxonomy southern Mexico synonyms

Abstract

Profundulus balsanus was described by Ahl in 1935 and later placed in synonymy with P. punctatus. Recent molecular studies have demonstrated that specimens identified as P. balsanus belong to a distinct taxon. Herein we used a combination of morphometric, meristic, coloration and osteological data in order to demonstrate the distinctiveness of P. balsanus. Additionally, we used molecular data to reconstruct a phylogeny to place P. balsanus in a systematic context. Profundulus balsanus belongs to the punctatus clade within the genus Profundulus. It can be distinguished from P. oaxacae based on scale count in the lateral line and from P. punctatus based on differences in coloration in the anal fin. We provide a taxonomic key to all Mexican species of Profundulus.

 

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