New records of albinism in two elasmobranchs: the tiger shark Galeocerdo cuvier and the giant electric ray Narcine entemedor
Jonathan Sandoval‐Castillo, Everardo Mariano-Meléndez, Carlos Villavicencio-Garayzar
Abstract
Jonathan Sandoval‐Castillo, Everardo Mariano-Meléndez, Carlos Villavicencio-Garayzar
Abstract
A completely albino embryo of the tiger shark (Galeocerdo cuvier) was found in the uterus of a female captured off the Revillagigedo Islands (Pacific Ocean, Mexico). The albino embryo was a male measuring 62 cm in total length. A partially albino giant electric ray (Narcine entemedor) was caught in Almejas Bay (Baja California Sur, Mexico). The specimen was a mature female measuring 69 cm in total length. This is the first reported case of albinism in N. entemedor and the second in G. cuvier.
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A completely albino embryo of the tiger shark (Galeocerdo cuvier) was found in the uterus of a female captured off the Revillagigedo Islands (Pacific Ocean, Mexico). The albino embryo was a male measuring 62 cm in total length. A partially albino giant electric ray (Narcine entemedor) was caught in Almejas Bay (Baja California Sur, Mexico). The specimen was a mature female measuring 69 cm in total length. This is the first reported case of albinism in N. entemedor and the second in G. cuvier.
Key concepts: Albinism, Fishery, Biology, Geography, Paleontology