About the Authors
- Alistair M. McInnes
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* E-mail: amcinnes3@gmail.com
Affiliation Percy FitzPatrick Institute, DST/NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
- Arjun Khoosal
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Affiliation Computational Biology Group, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town, South Africa
- Ben Murrell
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Affiliation Department of Medicine, University of California San Diego, La Jolla, California, United States of America
- Dagmar Merkle
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Affiliation Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, Rogge Bay, South Africa
- Miguel Lacerda
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Affiliation Department of Statistical Sciences, University of Cape Town, Cape Town, South Africa
- Reason Nyengera
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Affiliation DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, Department of Zoology, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa
- Janet C. Coetzee
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Affiliation Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, Rogge Bay, South Africa
- Loyd C. Edwards
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Affiliation Raggy Charters, Port Elizabeth, South Africa
- Peter G. Ryan
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Affiliation Percy FitzPatrick Institute, DST/NRF Centre of Excellence, University of Cape Town, Cape Town, South Africa
- Johan Rademan
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Affiliation Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, Rogge Bay, South Africa
- Jan J van der Westhuizen
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Affiliation Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, Rogge Bay, South Africa
- Lorien Pichegru
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Affiliation DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, Department of Zoology, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa
Competing Interests
The authors have the following interests: Co-author Loyd C. Edwards is employed by Raggy Charters. There are no patents, products in development or marketed products to declare. This does not alter their adherence to all the PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: AMM AK BM JCC PGR JR JJV LP. Performed the experiments: AMM DM RN LCE JR JJV LP. Analyzed the data: AMM AK BM ML JCC. Contributed reagents/materials/analysis tools: AK BM DM JCC. Wrote the paper: AMM BM ML JCC PGR LP. Designed software FISH for hydoacoustic quantification: AK BM.