Evidencia de variación morfológica en una población de refugio aislada del cachorrito de Sonoyta (Cyprinodon eremus) (Teleostei: Cyprinodontidae)


  • Alexsandre Gutiérrez-Barragán Licenciatura en Biología, Universidad de Sonora
  • Alejandro Varela-Romero Departamento de Investigaciones Científicas y Tecnológicas de la Universidad de Sonora
  • Gorgonio Ruiz-Campos Facultad de Ciencias, Universidad Autónoma de Baja California
  • José Manuel Grijalva-Chon Departamento de Investigaciones Científicas y Tecnológicas de la Universidad de Sonora



Palabras clave:

Conservación, recuperación, cambio morfológico, morfometría multivariada


El pez cachorrito de Sonoyta (Cyprinodon eremus) es una especie en peligro de extinción endémica de la cuenca del Río Sonoyta en el noroeste de México y el suroeste de Estados Unidos. Para ayudar en los esfuerzos de conservación de esta especie en México, se estableció una población de refugio en un estanque artificial en 1988 en el Centro Ecológico de Sonora en Hermosillo, Sonora mediante la translocación de individuos de la población del Río Sonoyta. Usamos métodos morfométricos multivariados para delinear las variaciones en la forma del cuerpo en la población del refugio después de 29 años de aislamiento en comparación con individuos silvestres recolectados de la misma muestra. Se observaron variaciones significativas en la forma del cuerpo entre las poblaciones del refugio y las silvestres. Estas variaciones son potencialmente atribuibles a diferentes condiciones ambientales que influyeron en las poblaciones silvestres y del refugio.


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Cómo citar

Gutíerrez-Barragán, A., BALLESTEROS CORDOVA, C. A., Varela-Romero, A., Ruiz-Campos, G., & Grijalva-Chon, J. M. (2024). Evidencia de variación morfológica en una población de refugio aislada del cachorrito de Sonoyta (Cyprinodon eremus) (Teleostei: Cyprinodontidae). Biotecnia, 26, 161–174. https://doi.org/10.18633/biotecnia.v26.2183



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