Banca Dati Italiana Squalo Bianco/ Italian Great White Shark Data Bank: The database of great white shark records from the Mediterranean Sea active from 1996.

Italian Ichthyological Society: Non-profit organization that seeks to advance the scientific study of fishes (with special emphasis on sharks), and the promotion of education, conservation, and wise utilization of marine resources.

American Elasmobranch Society: Non-profit organization that seeks to advance the scientific study of living and fossil sharks, skates, rays, and chimaeras, and the promotion of education, conservation, and wise utilization of natural resources.

ElasmoWorld: Website focusing on elasmobranch (shark, skates, rays and chimera) biology (anatomy, physiology, ecology), research, photo gallery, tagging methods and programs.
A searchable biological and reference database with over 4000 entries and 10,000 provides information to scientists working on the preservation, conservation and better understanding of elasmobranchs.

Alessandro De Maddalena's scientific illustrations of sharks and other marine animals: Illustration gallery by one of Europe's foremost marine wildlife illustrator.

Shark Project: Non-for-profit organization where every member dedicates time and his own money to the cause and for the sole benefit of sharks.

Squali: The italian website on sharks.

Forum biologia e conservazione degli squali: The italian forum on sharks.

Shark Research Committee: Non-for-profit scientific research organization that seeks to study the general biology, behavior and ecology of sharks indigenous to waters off the Pacific Coast, with particular emphasis on potentially dangerous species.

ReefQuest Centre fo Shark Research:

Henry Mollet's website:

WildAid:

Apex Predators Program NOAA/NMFS/NEFSC:

Bimini Biological Field Station:

White Shark Trust:

The Center for Shark Research - Mote Marine Laboratory:

The Pelagic Shark Research Foundation:

Southwest Fisheries Science Center:

Shark Research Institute:

Rodney Fox Shark Expedition:

Carl Roessler Shark Expedition and Photography:

FAO - sharks:

Seascience:

Whale Shark Research Group:

Associacao Portuguesa para o Estudo e Conservacao de Elasmobranquios (APECE):

Canadian Shark Research Laboratory:

Association pour l'Etude et la Conservation des Selaciens (APECS):

German Elasmobranch Society:

Luxembourg Elasmobranch Organization:

Natal Sharks Board:

Shark Research Center:

African Shark Eco-Charters:

South African White Shark Research Institute:

Swedish Elasmobranch Society:

Sociedade Brasileira para o Estudo de Elasmobranquios (SBEEL):

European Basking Shark Photo-ID Project:

Sharkman's World:

Fiona's Shark Site:

FishBase: