Links

The ventral surface of an embryonic winter skate (Leucoraja ocellata) with an external yolk sac

• American Elasmobranch Society
• Aquatic Species at Risk (Fisheries and Oceans Canada)
• Bedford Institute of Oceanography
• Canadian Shark Research Lab
• Canadian Science Advisory Secretariat
• Committee on the Status of Endangered Wildlife in Canada (COSEWIC)
• Environment Canada Species at Risk
• FishBase
• Florida Museum of Natural History
• Food and Agriculture Organization of the United Nations
• Huntsman Marine Science Centre (and the Atlantic Reference Centre)
• New England Fishery Management Council (NEFMC)
• Otolith Research Lab
• Reef Quest Centre for Shark Research
• The Great Egg Case Hunt (Shark Trust)
• The IUCN Red List of Threatened Species