About the Authors

Ekrem Misimi

ekrem.misimi@sintef.no

Affiliation SINTEF Fisheries and Aquaculture, Trondheim, Norway

Svein Martinsen

Current address: Nekton AS, Smøla, Norway

Affiliation SINTEF Fisheries and Aquaculture, Trondheim, Norway

John Reidar Mathiassen

Affiliation SINTEF Fisheries and Aquaculture, Trondheim, Norway

Ulf Erikson

Affiliation SINTEF Fisheries and Aquaculture, Trondheim, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SM EM JRM. Performed the experiments: SM EM. Wrote the paper: EM SM UE JRM. Analyzed the data and images: EM SM JRM. Contributed with fish welfare and biological hazards section: UE.