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- W2137815954 abstract "AB Aquatic Biology Contact the journal Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections AB 14:99-103 (2011) - DOI: https://doi.org/10.3354/ab00386 NOTE Diet of spring and summer spawning groups of Illex argentinus inhabiting coastal waters in San Matias Gulf (northern Patagonia, Argentina) Augusto César Crespi-Abril1,*, Maria Magdalena Trivellini2 1Centro Nacional Patagónico (CENPAT-CONICET), Boulevard Brown s/n, Puerto Madryn 9120, Chubut, Argentina 2Universidad Nacional de la Patagonia San Juan Bosco, Boulevard Brown s/n, Puerto Madryn 9120, Chubut, Argentina *Email: crespi@cenpat.edu.ar ABSTRACT: To study the diet of 2 coastal spawning groups of Illex argentinus, we analyzed the stomach contents of 3645 specimens (10 to 36 cm in mantle length). More than half (58%) of observed stomachs were empty. There were no differences in the prey consumed between specimens of different sex and maturity stages. Additionally, no differences were observed in the diet among individuals belonging to either the summer or spring spawning groups. The most frequent prey item was fishes (0.79 frequency of occurrence), followed by cephalopods (0.18) and lastly by crustaceans (0.09). The seasonal variation of empty stomach frequency and the mean stomach fullness revealed that squids fed more actively in spring and summer and mainly preyed upon small pelagic fishes. KEY WORDS: Illex argentinus · Near-shore waters · Diet · Cephalopods Full text in pdf format PreviousCite this article as: Crespi-Abril AC, Trivellini MM (2011) Diet of spring and summer spawning groups of Illex argentinus inhabiting coastal waters in San Matias Gulf (northern Patagonia, Argentina). Aquat Biol 14:99-103. https://doi.org/10.3354/ab00386 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in AB Vol. 14, No. 1. Online publication date: December 12, 2011 Print ISSN: 1864-7782; Online ISSN: 1864-7790 Copyright © 2011 Inter-Research." @default.
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- W2137815954 title "Diet of spring and summer spawning groups of Illex argentinus inhabiting coastal waters in San Matias Gulf (northern Patagonia, Argentina)" @default.
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