• DivingwithSharks.com
• Aqua Cat Cruises: Scuba diving cruises from Nassau, Bahamas.
• Blackbeard's Cruises: Scuba diving cruises from Miami to the Bahamas.
• Cat Ppalu Cruises: Sailing/scuba charter catamaran from
  Nassau, Bahamas.

Databases 

• Elasmoworld Biological and Reference Database
• Fishbase

• OSI Diving Program
• American Academy of Underwater Sciences
• USC Wrigley Institute, Diving programme
• Divers Alert Network (DAN)
  

Education Opportunities

• Hawai'i Institute of Marine Biology Shark Research Group

Labs

• Moss Landing Marine Laboratory
• Canadian Shark Research Laboratory
• Mote Marine Lab

Societies 

• American Elasmobranch Society
• American Society of Ichthyologists and Herpetologists
• Asociación Ibérica de Tiburones y Rayas
• German Elasmobranch Society
• Swedish Elasmobranch Society
• The European Elasmobranch Association

• The Panama City Laboratory Shark Population Assessment Group
• Australian Shark Attack File
• FAO species ID and Data programme
• Florida Institute of Technology
• Research at Monterey Bay Aquarium
• The Mediterranean Shark Website
• Natal Sharks Board

• Florida Museum of Natural History