1. Fish Ecology and Conservation Physiology Laboratory; Department of Biology; Carleton University; Ottawa Ontario Canada
2. Norwegian Institute for Nature Research; Trondheim Norway
3. Department of Ecology, Evolution and Marine Biology; University of California, Santa Barbara; Santa Barbara California
4. Ocean Tracking Network; c/o Dalhousie University; Halifax Nova Scotia Canada
5. Department of Zoology; Faculty of Land and Food Systems; University of British Columbia; Vancouver British Columbia Canada