Ecología trófica de dos peces de la familia Gempylidae en aguas oceánicas del Pacífico Sur Oriental | Zendy

Carlos Canales-Cerro | Zendy; Patricio Barría | Zendy; Patricia M. Zárate | Zendy; Jorge Azócar | Zendy; Roberto Meléndez | Zendy; Sebastián A. Klarian | Zendy

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Ecología trófica de dos peces de la familia Gempylidae en aguas oceánicas del Pacífico Sur Oriental

Author(s) -

Carlos Canales-Cerro,

Patricio Barría,

Patricia M. Zárate,

Jorge Azócar,

Roberto Meléndez,

Sebastián A. Klarian

Publication year - 2018

Publication title -

revista de biología marina y oceanografía

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.259

H-Index - 25

eISSN - 0718-1957

pISSN - 0717-3326

DOI - 10.22370/rbmo.2018.53.0.1255

Subject(s) - trophic level , geography , δ15n , predation , isotope analysis , fish <actinopterygii> , ecology , fishery , biology , stable isotope ratio , δ13c , physics , quantum mechanics

The feeding of the escolar fishes Ruvettus pretiosus and Lepidocybium flavobrunneum has not been reported yet for southeastern Pacific waters. The main goal of this work was to study the trophic relationships using stomach contents and stable isotopes, δ 15N and δ 13C, based on mixing models. Results showed that both fish had differences in the importance of the prey, feeding strategy and habitat use. Also, they presented similar values of δ 15N (~20‰) and δ 13C (~-16‰), but a low probability of niche overlapping.

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