Una nueva especie del género <i>Yuriria</i> Jordan & Evermann, 1896 (Actinopterygii, Cyprinidae) de la cuenca del río Ameca en la Mesa Central Mexicana

O. Domínguez-Domínguez; A. Pompa-Domínguez; I. Doadrio

doi:10.3989/graellsia.2007.v63.i2.93

A new species of the genus Yuriria Jordan & Evermann, 1896 (Actinopterygii, Cyprinidae) from the Ameca basin of the Central Mexican Plateau

Authors

O. Domínguez-Domínguez Laboratorio de Biología Acuática, Facultad de Biología, Universidad Michoacana de San Nicolás de Hidalgo - Posgraduate in Marine Sciences and Limnology, ICMyL, Universidad Nacional Autónoma de México
A. Pompa-Domínguez Laboratorio de Biología Acuática, Facultad de Biología, Universidad Michoacana de San Nicolás de Hidalgo
I. Doadrio Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales

DOI:

https://doi.org/10.3989/graellsia.2007.v63.i2.93

Keywords:

Mexico Central Plateau, Yuriria amatlana sp. nov., Cyprinidae, Cypriniformes, Ameca Basin, Taxonomy, Conservation, Endangered species

Abstract

A new cyprinid species is described based on morfometric, meristic and genetic characters. The new species identified, Yuriria amatlana sp. nov., inhabits the high Ameca Basin in the central plateau of Mexico. This Mexican minnow differs from Yuriria alta and Yuriria chapalae in terms of the following characters: (50-52) 53-54 pored lateralline scales; 10 upper transverse-line scales, 5-6 lower transverse-line scales and 8-10 gill rakers. Body coloration is light yellowish-brown. Compared to Yuriria alta and Yuriria chapalae, the new species has a less conspicuous dark grey band running from the start of the dorsal fin to the head. Cytochrome b gene sequences differ from those of Yuriria alta and Yuriria chapalae in terms of 29 fixed nucleotide positions (molecular autopomorphies). Calculated genetic divergences for the cytochrome b gene were: `D_HKY = 3.8 (3.2-4.4%) between Yuriria amatlana sp. nov. and Y. alta; `D_HKY = 5 (4.8-5.2%) between Y. amatlana sp. nov and Y. chapalae; and `D_HKY = 2.6 (2.1-3.3%) between Y. chapalae and Y. alta.

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Published

2007-12-30

How to Cite

Domínguez-Domínguez O, Pompa-Domínguez A, Doadrio I. A new species of the genus Yuriria Jordan & Evermann, 1896 (Actinopterygii, Cyprinidae) from the Ameca basin of the Central Mexican Plateau. Graellsia [Internet]. 2007Dec.30 [cited 2024Jul.27];63(2):259-71. Available from: https://graellsia.revistas.csic.es/index.php/graellsia/article/view/93

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Issue

Vol. 63 No. 2 (2007)

Section

Research Articles

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