Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (31003A_156152, 31003A_144191)
Hughes Hall, University of Cambridge
Text and Data Mining valid from 2019-03-26
Received: 23 November 2018
Revised: 5 March 2019
Accepted: 11 March 2019
First Online: 26 March 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. As a member of swissuniversities (swissuniversities.ch), the University of Bern demands and promotes compliance with the conventions and principles defined by swissuniversities. The field work reported here complied with Zambian laws and was carried out in agreement with local authorities under the Memorandum of Understanding issued by the Department of Fisheries: Ministry of Agriculture and Cooperatives, Zambia, dated March 20th 2009. The laboratory work was certified under Swiss Federal Veterinary Office licence BE 74/15, in which it was specified that tagging of fish would be carried out without the use of anaesthesia.