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Additional Information

Competing Interests

Authors declare no competing interests.

Author Contributions

Carlos Bustamante conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables.

Carolina Vargas-Caro performed the experiments, analyzed the data, reviewed drafts of the paper.

Michael B Bennett analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, reviewed drafts of the paper.

Animal Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

This study was carried out in accordance with the “standards for the use of animals in research” approved by the Animal Care and Ethics Committee of the Universidad Austral de Chile (UACH/FIP 2005-61). Capture of fishes during this study was permitted through Fisheries Undersecretariat Research Permit number 1959-06, 2931-06 and 181-07 issued by Ministry of Economy, Development and Tourism.

Field Study Permissions

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Capture of fishes during this study was permitted through Fisheries Undersecretariat Research Permit number 1959-06, 2931-06 and 181-07 issued by Ministry of Economy, Development and Tourism.

Grant Disclosures

The following grant information was disclosed by the authors:

FIP No. 2005-61

Funding

The study was funded by Fondo de Investigación Pesquera (FIP No. 2005-61): "Caracterización del fondo marino entre la III y X regiones”. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. CB and CV were supported by CONICYT–Becas Chile and TUAP–Graduate School of The University of Queensland.


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