Abstract (en):
Leucism is a rare chromatic aberration, manifested by the total or partial absence of melanin in the skin. This study reports a case of leucism in the fish Lebiasina bimaculata (Characiformes: Lebiasinidae), in the Chongón river, Ecuador. The individual with leucism presented depigmentation all over the body, except in the iris and on the base of the third scale of the fourth longitudinal scale-series. With this case, there are 19 records of chromatic aberrations in South American freshwater fish.
Abstract (es):
El leucismo es una aberración cromática poco frecuente, manifestada por la ausencia total o parcial de melanina en la piel. Este estudio reporta un caso de leucismo en el pez Lebiasina bimaculata (Characiformes: Lebiasinidae), en el río Chongón, Ecuador. El individuo con leucismo presentó despigmentación en todo el cuerpo, excepto
en el iris y en la base de la tercera escama de la cuarta serie de escamas longitudinales. Con este suman 19 los registros de aberraciones cromáticas en peces dulceacuícolas de Suramérica.
Keywords:
Aberraciones pigmentarias, Characiformes, Peces dulceacuícolas, Río Guayas (es)
Characiformes, Freshwater fish, Guayas River, Pigmentary aberrations (en)
Characiformes, Freshwater fish, Guayas River, Pigmentary aberrations (en)
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How to Cite
Nugra, F., Anaguano-Yancha, F., Arízaga, C., Zarate, E., & Brito, J. (2018). Leucism in the fish Lebiasina bimaculata(Characiformes: Lebiasinidae) in Guayas, Ecuador. Biota Colombiana, 19(2), 133–139. https://doi.org/10.21068/c2018.v19n02a12
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