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Resumen del producto

Posada Prado, A., R., González Armas, V., Rojas Díaz, F., Galván Magaña & J., Ketchum Mejia (2020). Lemon shark (Negaprion brevirostris): movements, residence and behavior patterns at Cabo Pulmo National Park, Mexico. Northeast Pacific Shark Symposium IV. La Pa, Baja California Sur, México, marzo 5 - 7, 2020, 1.

Lemon shark (Negaprion brevirostris): movements, residence and behavior patterns at Cabo Pulmo National Park, Mexico

Anamaria Posada Prado, Rogelio González Armas, Vladimir Rojas Díaz, Felipe Galván Magaña y James Ketchum Mejia

The lemon shark is a coastal and shallow water species (<100m). However, the species uses different types of habitat in Cabo Pulmo National Park, BCS. The present study describes the use of the area by recognizing movement and behavior patterns of the species; at the same time we evaluated the index of residence in the park. This study used three tag types: CATS, spaghetti and acoustic tags. Five individuals were tagged; one female and four males. The CAT device, was placed in May 2017 only in the female, gathered a five-hour video and 1,462,159 records (with a resolution of 0.05 seconds) for at least 13 hours of recording depth, temperature, acceleration, magnetic force and light intensity data. Acoustic detections were obtained from three individuals: one adult, tagged in May 2017, recorded a total of 39,395 detections between May 2017 and June 2018, another individual marked in April 2019 recorded 93 detections between April and May 2019; and a juvenile tagged in April 2019 recorded 113 detections between May and September 2019; An adult male was never detected. So, the adults were mostly detected at the southern sector, farther from the coast, while the juvenile was only at the northern zone and closer to the coast

Palabras clave: ecology; behavior; acoustic telemetry; CATS

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