1. Utila Whale Shark Research; Utila Honduras
2. Ch ooj Ajauil AC; Cancún Quintana Roo México
3. Wildlife Conservation Society; Gulf and Caribbean Sharks and Rays Program; Punta Gorda Belize
4. National Marine Fisheries Service, Southeast Fisheries Science Center; Mississippi Laboratories; Pascagoula MS 39567 U.S.A.
5. ECOCEAN USA; 1726 N. Terry Street Portland OR 97217 U.S.A.
6. Marine Megafauna Foundation; Tofo Beach; Inhambane Mozambique