Received: 31 December 2020
Revised: 23 May 2021
Accepted: 26 May 2021
First Online: 10 June 2021
: The authors declare they have no financial interests nor conflicts of interest to declare that are relevant to the content of this article. HW Harris has served as a paid expert technical witness for US and Norwegian patent litigations in 2019 and 2020, respectively, regarding the validity and enforcement of US and foreign issued patents granted to MariCal Inc. and licensed to STIM AS of Lofoten, Norway that disclose commercial technology based on the roles of CaSRs in anadromous fish. However, Harris has no direct or indirect financial interests in either MariCal or STIM.
: These studies followed the ethical guidelines from the American Fisheries Society Guidelines for Use of Fishes in Research (2004 and updated in 2014) (citation: Use of Fishes in Research Committee (joint committee of the American Fisheries Society, the American Institute of Fishery Research Biologists, and the American Society of Ichthyologists and Herpetologists). 2014. Guidelines for the use of fishes in research. American Fisheries Society, Bethesda, Maryland.)