About the Authors

Charles L. Griffiths

Charles.Griffiths@uct.ac.za

Affiliations Zoology Department, Marine Biology Research Centre, University of Cape Town, Rondebosch, South Africa, Zoology Department, Centre for Invasion Biology, University of Cape Town, Rondebosch, South Africa

Tamara B. Robinson

Affiliation Zoology Department, Marine Biology Research Centre, University of Cape Town, Rondebosch, South Africa

Louise Lange

Affiliation Zoology Department, Marine Biology Research Centre, University of Cape Town, Rondebosch, South Africa

Angela Mead

Affiliation Zoology Department, Marine Biology Research Centre, University of Cape Town, Rondebosch, South Africa

Competing Interests

The authors have declared that no competing interests exist.