1. Dept of Ecology and Evolutionary Biology; Univ. of California; Irvine CA 93923-2525 USA
2. Inst. for Chemistry and Biology of the Marine Environment (ICBM), Carl-von-Ossietzky Univ. Oldenburg; Schleusenstrasse 1 DE-26382 Wilhelmshaven Germany
3. Dept of Ecology, Evolution and Behavior; Univ. of Minnesota; Minneapolis MN 55108 USA
4. Dauphin Island Sea Lab; Dauphin Island AL 36528 USA
5. Dept of Marine Sciences; Univ. of South Alabama; Mobile AL 36688 USA
6. Section of Ecology, Behavior and Evolution, Univ. of California - San Diego; La Jolla CA 92093-0116 USA
7. School of Life Sciences, Arizona State Univ.; Tempe AZ 85287 USA
8. Dept of Entomology; Univ. of Maryland; College Park MD 20742-4454 USA
9. Dept of Ecology, Evolution and Organismal Biology; Iowa State Univ.; Ames IA 50011 USA
10. Dept of Zoology; Univ. of British Columbia; 6270 University Boulevard Vancouver BC V6T 1Z4 Canada
11. Center for Marine Biodiversity and Conservation, Scripps Inst. of Oceanography, Univ. of California - San Diego; La Jolla CA 92093-0202 USA