New trophic link and potential feeding area of dwarf minke whale (Balaenoptera acutorostrata subsp.) in mid latitude waters of the southwestern Atlantic Ocean-Reference-Cited by-同舟云学术

New trophic link and potential feeding area of dwarf minke whale (Balaenoptera acutorostrata subsp.) in mid latitude waters of the southwestern Atlantic Ocean

Published:2018-04-23 Issue:1 Volume:83 Page:49-52
ISSN:1864-1547
Container-title:Mammalia
language:en
Short-container-title:

Author:

Milmann Lucas¹²,Machado Rodrigo¹,Sucunza Federico¹³⁴,Oliveira Larissa Rosa de¹⁵,Santos Roberta Aguiar dos⁶,Di Beneditto Ana Paula Madeira⁷,Rezende Carlos Eduardo de⁷,Baumgarten Julio²,Ott Paulo Henrique¹⁸

Affiliation:

1. Grupo de Estudos de Mamíferos Aquáticos do Rio Grande do Sul (GEMARS), Rua Bento Gonçalves, 165, sala 1002 , Torres, RS, CEP 95560-000 , Brazil

2. Applied Ecology and Conservation Laboratory, Programa de Pós-graduação em Ecologia Aplicada a Conservação , Departamento de Ciências Biológicas , Universidade Estadual de Santa Cruz (UESC), Rodovia Jorge Amado, km 16 , Ilhéus, BA, CEP 45662-900 , Brazil

3. Laboratório de Ecologia Comportamental e Bioacústica, Programa de Pós-graduação em Ecologia , Universidade Federal de Juiz de Fora (UFJF), Rua José Lourenço Kelmer, s/n - Campus Universitário , Juiz de Fora, MG, CEP 36036-900 , Brazil

4. Instituto Aqualie , Av. Doutor Paulo Japiassu Coelho, 714, Sala 206, Juiz de Fora, MG , CEP 36033-310 , Brazil

5. Laboratório de Ecologia de Mamíferos , Universidade do Vale do Rio dos Sinos (UNISINOS), Avenida Unisinos, 950 , São Leopoldo – RS, CEP 93022-000 , Brazil

6. Instituto Chico Mendes de Conservação da Biodiversidade (ICMBIO), Centro Nacional de Pesquisa e Conservação da Biodiversidade Marinha do Sudeste e Sul (CEPSUL), Av. Carlos Ely Castro , 195 - Itajaí, SC, CEP 88301-445 , Brazil

7. Laboratório de Ciências Ambientais (LCA) , Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), Av. Alberto Lamego, 2000, Campos dos Goytacazes , RJ, CEP 28013-602 , Brazil

8. Laboratório de Biodiversidade e Conservação (LABeC) , Universidade Estadual do Rio Grande do Sul (UERGS), Rua Machado de Assis, 1456 , Osório, RS, CEP 95520-000 , Brazil

Abstract

Abstract 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.

Publisher

Walter de Gruyter GmbH

Subject

Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics

Link

https://www.degruyter.com/document/doi/10.1515/mammalia-2017-0127/pdf

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