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RBMO 56(1): 74-77

https://doi.org/10.22370/rbmo.2021.56.1.2800

Abundance of early life stages of the surf silverside Notocheirus hubbsi (Teleostei, Atheriniformes) in the coastal nearshore of central Chile

Francisca Zavala-Muñoz1, Mauricio F. Landaeta 1,2,5*, Valentina Bernal-Durán1,3, Claudia A. Bustos1,2 and Brian S. Dyer4

1Laboratorio de Ictioplancton (LABITI), Instituto de Biología, Facultad de Ciencias, Universidad de Valparaíso, Avenida Gran Bretaña 1111, Playa Ancha, Valparaíso, Chile
2Centro de Observación Marino para Estudios de Riesgos del Ambiente Costero (COSTA-R), Universidad de Valparaíso, Viña del Mar, Chile
3Instituto de Ecología y Biodiversidad (IEB), Casilla 653, Santiago, Chile
4Centro de Estudios Generales, Universidad de los Andes, Santiago, Chile
5Millennium Nucleus for the Ecology and Conservation of Temperate Mesophotic Reef Ecosystem (NUTME), Las Cruces, Valparaíso, Chile

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Resumen

The abundance of early stages of the surf silverside Notocheirus hubbsi in nearshore waters of central Chile, collected in samplings set up to assess the lunar cycle during austral spring and summer is reported. A total of 19 specimens were collected with light traps, 16 larvae (7.89-16.20 mm SL) in austral spring and 3 juveniles (30.70-34.60 mm SL) in summer. Capture per unit effort (CPUE) varied from 0.33 to 2.00 ind. light trap-1 night-1 during the entire study period (September 2015-February 2016, and September 2016-February 2017). N. hubbsi catches recorded maximum abundance during the new moon and no catches during full moon.

Palabras clave

Moon cycle, Atheriniformes, light trap, sandy beach
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