Journal
MAMMALIA
Volume 83, Issue 1, Pages 49-52Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/mammalia-2017-0127
Keywords
argentine shortfin squid; balaenopteridae; diet; dwarf minke whale; Illex argentinus; southwestern Atlantic Ocean
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Funding
- Fundacao de Amparo a Pesquisa do Estado da Bahia (FAPESB)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) by the Universidade Estadual do Rio Grande do Sul (UERGS) [572180-2008]
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The stomach content of a male, immature dwarf minke whale (Balaenoptera acutorostrata subsp.) stranded in September of 2008 in southern Brazil revealed a large consumption of the Argentine shortfin squid (Illex argentinus), probably in multiple feeding events. Stable isotopes signals from kidney and liver samples of the whale are consistent with values for this squid species, and prey size indicates consumption over spawning aggregations near the continental slope off southern Brazil. The present record adds a new prey species for dwarf minke whale and reinforces the hypothesis that some baleen whales could feed in middle latitudes of the Brazilian coast.
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