Arid
DOI10.1016/j.rmb.2016.04.008
Morphometric and meristic characterization of the endemic Desert chub Gila eremica (Teleostei: Cyprinidae), and its related congeners in Sonora, Mexico
Ballesteros-Cordova, Carlos A.1; Ruiz-Campos, Gorgonio2; Findley, Lloyd T.3; Grijalva-Chon, Jose M.1; Gutierrez-Millan, Luis E.1; Varela-Romero, Alejandro1
通讯作者Varela-Romero, Alejandro
来源期刊REVISTA MEXICANA DE BIODIVERSIDAD
ISSN1870-3453
出版年2016
卷号87期号:2页码:390-398
英文摘要

The Desert chub, Gila eremica DeMarais, 1991 is a freshwater fish endemic to Northwest Mexico, being described from the Sonora, Matape and Yaqui River basins in Sonora, Mexico. The recent discovery of 2 isolated small populations from the known distribution for this taxon makes necessary an evaluation to determine their specific taxonomical identities (herein designated as G. cf. eremica). Thirty-three morphometric and 6 meristic characters were evaluated in 219 specimens of several populations of the genus Gila in Sonora, including all the known populations of G. eremica. Morphometric measures based on box-truss protocol were standardized by regression models, and analyzed by means of a discriminant function analysis (DFA). The canonical variables 1 and 2 explained 72.4% of the total variation among analyzed populations. Tree diagram based on squared Mahalanobis distances, as well as scatterplots of centroids, showed G. cf. eremica to be morphologically divergent with respect to known populations of G. eremica as well as the other species analyzed. Box plots indicated a slimmer body and a smaller number of pectoral fin rays, and a higher number of lateral line scales as the most distinguishable characters in G. cf. eremica with respect to nominal G. eremica. All Rights Reserved (C) 2016 Universidad Nacional Autonoma de Mexico, Instituto de Biologia. This is an open access item distributed under the Creative Commons CC License BY-NC-ND 4.0.


英文关键词Gila cf. eremica Cyprinidae New populations Discriminant function analysis Northwest Mexico
类型Article
语种英语
国家Mexico
收录类别SCI-E
WOS记录号WOS:000377674600010
WOS关键词INTROGRESSIVE HYBRIDIZATION ; PHYLOGENETIC-RELATIONSHIPS ; ACTINOPTERYGII ; MITOCHONDRIAL ; EVOLUTION
WOS类目Biodiversity Conservation
WOS研究方向Biodiversity & Conservation
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/196110
作者单位1.Univ Sonora, Dept Invest Cient & Tecnol, Luis Donaldo Colosio S-N, Hermosillo 83000, Sonora, Mexico;
2.Univ Autonoma Baja California, Fac Ciencias, POB 233, Ensenada 22800, Baja California, Mexico;
3.Ctr Invest Alimentac & Desarrollo AC, Unidad Guaymas, Carretera Varadero Nacl Km 6-6, Guaymas 85480, Sonora, Mexico
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Ballesteros-Cordova, Carlos A.,Ruiz-Campos, Gorgonio,Findley, Lloyd T.,et al. Morphometric and meristic characterization of the endemic Desert chub Gila eremica (Teleostei: Cyprinidae), and its related congeners in Sonora, Mexico[J],2016,87(2):390-398.
APA Ballesteros-Cordova, Carlos A.,Ruiz-Campos, Gorgonio,Findley, Lloyd T.,Grijalva-Chon, Jose M.,Gutierrez-Millan, Luis E.,&Varela-Romero, Alejandro.(2016).Morphometric and meristic characterization of the endemic Desert chub Gila eremica (Teleostei: Cyprinidae), and its related congeners in Sonora, Mexico.REVISTA MEXICANA DE BIODIVERSIDAD,87(2),390-398.
MLA Ballesteros-Cordova, Carlos A.,et al."Morphometric and meristic characterization of the endemic Desert chub Gila eremica (Teleostei: Cyprinidae), and its related congeners in Sonora, Mexico".REVISTA MEXICANA DE BIODIVERSIDAD 87.2(2016):390-398.
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