1. School of Biological SciencesUniversity of Auckland3a Symonds StreetAuckland1010New Zealand
2. Department of Fisheries, Wildlife and Conservation BiologyUniversity of Minnesota2003 Upper Buford CircleSt. PaulMN55108USA
3. U.S. Geological SurveyAlaska Science Center4210 University DriveAnchorageAK99508USA
4. Auckland/Waikato Fish and Game Council156 Brymer RoadHamilton3289New Zealand