1. Sea Around Us Project, Fisheries Centre; University of British Columbia; Vancouver BC V6T 1Z4 Canada
2. School of Resource and Environmental Management, Faculty of Environment; Simon Fraser University; Burnaby BC V5A 1S6 Canada
3. Fundación Ecuatoriana para el Estudio de Mamíferos Marinos; Guayaquil Ecuador
4. Section of Ichthyology; Natural History Museum of Los Angeles County; Los Angeles CA 90007 USA
5. Instituto de Ecología Aplicada; Universidad San Francisco de Quito; Quito Ecuador