Evaluating food metrics of lanternfishes in waters of the southeastern Pacific Ocean

Carolina Cárcamo, Pepe Espinoza, Carlos Canales-Cerro, Stephanny Curaz-Leiva, Ana Brisca Guzman-Castellanos, Ivonne Quintanilla, Fernanda Vargas, Mauricio Zuñiga, Francisco Fernandoy, Patricio Galvez, Rene Vargas, Álvaro Saavedra, Chris Harrod, Eric T. Schultz, Sebastian A. Klarian

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Resumen

Using carbon and nitrogen stable isotope values, we analyzed the trophic position (TP) and the isotopic niche width of lanternfishes from three different areas in the Southern Pacific Ocean. Fishes from Perú had slightly higher δ13C values compared with fish from Chilean areas. In contrast, δ15N values increased with latitude (North to South). Myctophids TP differed between the three study areas (highest in Central Chile, lowest in Peru). Peruvian fishes had a smaller isotopic niche than the lanternfishes of those from Chile.

Idioma originalInglés
Número de artículo20
PublicaciónMarine Biology
Volumen170
N.º2
DOI
EstadoPublicada - feb. 2023

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