Funding for this research was provided by:
Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI)
Article History
Received: 11 December 2019
Revised: 14 September 2020
Accepted: 16 September 2020
First Online: 30 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: We declare that sampling of fish species and presented experiments comply with current legislation. The studies have been approved by the appropriate national research ethics committee and permits were released by the Senator for Healthcare, Bahnhofsplatz 29, 28195 Bremen on January 15, 2008 (Az.: 522-27-11/02-00 (93), permit valid until January 14, 2011) and February 21, 2013 (SYNKLIFisch Az.: 522-27-11/02-00 (113), permit valid until February 21, 2018) and by the German Environment Agency (UBA, permission number l 3.5–94003-3/222 (for 2009) and /253 (for 2011).