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NÚMERO 2

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Hábitos alimenticios del lenguado panámico Cyclopsetta panamensis (Paralichthyidae) en el Sureste del Golfo de California

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NOTA CIENTÍFICA

Estimación de la longitud utilizando relaciones morfométricas de huesos del cráneo, cintura escapular, otolitos y medidas específicas del cuerpo en Merluccius hubbsi en aguas patagónicas

Autores

CORRESPONSAL

Diego González-Zevallos

diegue@cenpat.edu.ar

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Centro Nacional Patagónico CENPAT-CONICET, Blvd. Brown 2915 (U9120ACF), Puerto Madryn, Chubut, Argentina

Luisa Kuba

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Centro Nacional Patagónico CENPAT-CONICET, Blvd. Brown 2915 (U9120ACF), Puerto Madryn, Chubut, Argentina

Atila E. Gosztonyi

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1

Centro Nacional Patagónico CENPAT-CONICET, Blvd. Brown 2915 (U9120ACF), Puerto Madryn, Chubut, Argentina

Resumen

Merluccius hubbsi is the fish with the largest distributional range along the Argentinian Shelf and one of the most relevant species in the diet of many top predators in the Southwest Atlantic Ocean. Predictive regression equations were calculated to estimate total length using head and pectoral girdle bones lengths and specific body measurements. The 166 specimens studied were obtained in January and February 2008 by coastal hake trawlers operating at Chubut Province, Argentina. Ln- transformed data gave the best fits in the equations obtained. The present study supports the use of head and pectoral girdle bones as an alternative method to identify M. hubbsiand predict its length

Palabras clave

Piscivory, top predators, Argentinian Patagonia

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