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      • Media Kit, David McGuire, Shark Stewards
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      • WE DID IT! Saving Endangered Sharks at CITES 2022
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      • Law to End Lethal California Driftnet Fishery Passes
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    • Statement Against Asian and API Hate
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      • Dive in and Save Sharks and Reefs in Lombok
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      • Support the Papahānaumokuākea National Marine Sanctuary
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Shark Sex- How Sharks Do It

Swell Shark And Case

Sharks are a separate class of vertebrates from other fish, called cartilaginous fish. In the scientific Class Chondrictyhes, sharks separated from other vertebrates as long as 440 million years ago. […]

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Posted byDavid McGuireApril 24, 2023May 9, 2023Tags: biology, great white shark, sex, sexuality, sharks

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Act Now

  • STOP THE SHARK FIN TRADE

    Since 2006 Shark Stewards has been a leader in the United States reducing the shark fin trade by applying trade data to legislation banning the sale and trade of shark …

  • Shark Stewards Calls on eBay to Stop Sales of Endangered Sharks

    eBay is openly allowing the traffic of parts from endangered and protected sawfish and sharks, namely sawfish rostrum and shark jaws protected under the Endangered Species Act, and the Convention …

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  • About
    • Mission and Vision
    • Where We Work
    • Our Team
      • Media Kit, David McGuire, Shark Stewards
    • Partners & Donors
    • Victories & Milestones
      • WE DID IT! Saving Endangered Sharks at CITES 2022
      • US Shark Fin Sales Elimination Act Passes
      • Law to End Lethal California Driftnet Fishery Passes
    • Shark Stewards DEI Statement
    • Statement Against Asian and API Hate
  • Our Work
    • Saving Sharks
    • Marine Protection
      • Dive in and Save Sharks and Reefs in Lombok
    • California Marine Protected Area Network
    • Sustainable Ecotourism and Data Dives
    • Shark ID and MPAs Education Adventure
    • Manta and Shark ID
    • Media Production
  • Science & Education
    • Shark Watch California
    • Shark Science Sheets
      • CITES Shark Science Sheets
    • Sharks of Hawaii
    • Sharks of the San Francisco Bay
    • Science Programs
      • Citizen Science
      • Observe and Record Sevengill Sharks
    • Shark Sanctuary and MPAs
    • White Shark Stewardship
      • How to Avoid a White Shark Attack
      • Sharktober
  • Campaigns
    • End the Last lethal Net Fishery off California
    • Respect for Hawaii Fish- No AQ Collection
    • Stop the EU Shark Fin Trade 
    • Tell US Congress to Support Science -SHARKED Act HR 4051
    • URGENT ACTION TO PROTECT OCEANIC SHARKS
    • Support Pacific Marine Sanctuaries
      • Support the Papahānaumokuākea National Marine Sanctuary
      • Saving Sharks in the Coral Triangle
    • Tell eBay: Stop Endangered Shark Trade
    • Stop Big Plastic From Polluting Oceans
  • Get Involved
    • Contact Us
    • Shark Buddies- Connect and Protect
    • Adventures
      • Sharktober: Farallon Islands Wildlife Adventure
      • Farallon Island Excursion Information
    • Art For Sharks
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
    • Events
  • Shark News
  • Shop

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Berkeley, CA 94704

Shark Stewards is a project of The Earth Island Institute, an environmentalist think tank founded by David Brower in 1983 and a 501(c)(3) non-profit.

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