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An overview of interlocation sexual shape dimorphism in caquetaia kraussi (perciformes: cichlidae): a geometric morphometric approach
| dc.contributor.author | Hernandez, Jordan | |
| dc.contributor.author | Villalobos-Leiva, Amado | |
| dc.contributor.author | Bermúdez, Adriana | |
| dc.contributor.author | Ahumada-Cabarcas, Daniela | |
| dc.contributor.author | Suazo, Manuel J | |
| dc.contributor.author | Benítez, Hugo A. | |
| dc.date.accessioned | 2022-10-11T20:50:50Z | |
| dc.date.available | 2022-10-11T20:50:50Z | |
| dc.date.issued | 2022 | |
| dc.identifier.uri | http://repositorio.ucm.cl/handle/ucm/4092 | |
| dc.description.abstract | C. kraussii is an endemic fish species from Colombia and Venezuela and represents a valuable food resource for local human communities. Due to its economic importance, the management and captive breeding of this species are of special interest. However, the anatomical similarities between sexes have been a problem for visual identification. It is also important to indicate that C. kraussii has cryptic morphological behavior between sexes, a topic that has been one of the main problems for the implementation of management plans. The following research studied individuals from three different localities along the Canal del Dique, Bolívar Department in Colombia, in which the body shape of C. kraussii was analyzed using geometric morphometric analysis. The analyses detected the presence of intralocality sexual dimorphism in two of the three localities analyzed, showing a low morphological variability among males, presenting conserved body shape, as well as a greater morphological disparity among females. This sexual shape dimorphism may be associated with the environmental variation among different locations. These results suggest the presence of two evolutionary forces acting asymmetrically between the sexes of C. kraussii, with males mostly subject to sexual selection pressure, while females are mainly subject to environmental pressures. | es_CL |
| dc.language.iso | en | es_CL |
| dc.rights | Atribución-NoComercial-SinDerivadas 3.0 Chile | * |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/cl/ | * |
| dc.source | Fishes, 7(4), 146 | es_CL |
| dc.title | An overview of interlocation sexual shape dimorphism in caquetaia kraussi (perciformes: cichlidae): a geometric morphometric approach | es_CL |
| dc.type | Article | es_CL |
| dc.ucm.indexacion | Scopus | es_CL |
| dc.ucm.indexacion | Isi | es_CL |
| dc.ucm.uri | www.mdpi.com/2410-3888/7/4/146 | es_CL |
| dc.ucm.doi | doi.org/10.3390/fishes7040146 | es_CL |
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