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RBMO 53(3): 353-357

https://doi.org/10.22370/rbmo.2018.53.3.1360

Unusual record of Pacific harbor seal (Phoca vitulina richardii) feeding on anchovy (Engraulis mordax) in the fishery of small pelagic fishes in the Gulf of California

Isai Barba-Acuña1* and Juan Pablo Gallo-Reynoso1 

1Laboratorio de Ecofisiología, Centro de Investigación en Alimentación y Desarrollo, A.C., Unidad Guaymas, Carretera al Varadero Nacional km 6.6, Colonia Las Playitas, Guaymas, Sonora, México, C.P. 85480

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Resumen

Pacific harbor seals (Phoca vitulina richardii) range in North America from Japan to Mexico. Here we report the first record of a Pacific harbor seal feeding on Northern anchovy (Engraulis mordax) inside a purse-seine net of a sardine fishing boat in the Gulf of California. This event was recorded on video on January 11th, 2010, near Estero Tortuga, Guasimas, Sonora (27°50’N, 110°39’W). Sea conditions were of El Niño Southern Oscillation; this record was likely due to El Niño, forcing seals to travel beyond their distribution range in search of alternate foraging areas.

Palabras clave

Phoca vitulina richardii, foraging, Engraulis mordax, Gulf of California
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