Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (WI 1531/12-1)
Article History
Received: 31 July 2017
Revised: 3 January 2018
Accepted: 8 January 2018
First Online: 30 January 2018
Compliance with ethical standards
:
: The performed experiments and handling of the fish were in line with the German Animal Welfare legislation (Deutsches Tierschutzgesetz) and approved by the internal animal welfare officer Dr. Urs Gießelmann, University of Siegen, and the regional authorities (Kreisveterinäramt Siegen-Wittgenstein; Dr. Wilhelm Pelger; Permit number: 53.6 55-05).
: The authors declare that they have no conflict of interest.
: All data generated or analysed during this study are included in the supplementary material (Table SInternalRef removed).