About the Authors

David Lundquist

lundquistdave@hotmail.com

Affiliation Department of Anatomy, University of Otago, Dunedin, New Zealand

Neil J. Gemmell

Affiliation Department of Anatomy, University of Otago, Dunedin, New Zealand

Bernd Würsig

Affiliation Department of Marine Biology, Texas A&M University at Galveston, Galveston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DL BW NJG. Performed the experiments: DL BW. Analyzed the data: DL. Contributed reagents/materials/analysis tools: DL BW NJG. Wrote the paper: DL NJG BW.