Information on forage fish ages from otoliths collected in avian stomach contents

Information on forage fish ages from otoliths collected in avian stomach contents

Otolith analysis allows studying multiple aspects of fish biology, including age estimation; however, otoliths collected from avian stomach content have not been used to estimate the age of ingested fish. We evaluated the potential ability to estimate the age of Pacific sardine (Sardinops sagax) fro...

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Veröffentlicht in:Latin american journal of aquatic research 2022-07, Vol.50 (3), p.461-466
Hauptverfasser: Jarrin, Jose R. Marin, Anchundia, David, Schuiteman, Michelle A, Anderson, David J
Format: Artikel
Sprache:eng
Schlagworte:
Age
Age determination
Ageing
Aging
Animal morphology
Biology
Birds
Chronology
Colonies
Estimates
Fish
FISHERIES
Forage fishes
MARINE & FRESHWATER BIOLOGY
Marine fishes
Methods
OCEANOGRAPHY
Otoliths
Sardinops sagax
Seabirds
Stomach
Stomach content
Weight
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Beschreibung
Zusammenfassung:Otolith analysis allows studying multiple aspects of fish biology, including age estimation; however, otoliths collected from avian stomach content have not been used to estimate the age of ingested fish. We evaluated the potential ability to estimate the age of Pacific sardine (Sardinops sagax) from otoliths collected from blue-footed booby (Sula nebouxii) stomach contents sampled in the Galapagos Islands. Blue-footed boobies were selected because they mostly forage close to their colony (
ISSN:0718-560X
0718-560X
DOI:10.3856/vol50-issue3-fulltext-2858