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      • Saving the Scalloped Hammerheads of Baja
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      • Act Now to Defend the Endangered Species Act
      • WE DID IT! Saving Endangered Sharks at CITES 2022
      • US Shark Fin Sales Elimination Act Signed into Law
      • Law to End Lethal California Driftnet Fishery Passes
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    • Statement Against Asian and API Hate
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Great White Sharks in San Francisco Bay

Whitesharkand seal

A repost  on white sharks in the Bay from 2015. Scientists tagging white sharks with Stanford’s Hopkins Marine Lab and the Monterey Bay Aquarium have published studies showing white sharks […]

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Posted byDavid McGuireJuly 13, 2021January 24, 2024Tags: Alcatraz, great white shark, Greater Farallones national Marine Sanctuary, shark attack, sharkweek

The Big Swim for Sharks

As an ocean swimmer and diver I frequently swim with sharks, although most of the time I don’t see them. This summer I swam from Alcatraz Island to San Francisco, entering the water […]

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Posted bySharkstewardsFebruary 17, 2016September 30, 2022Tags: Alcatraz, Night Train, shark attack, sharks, swim, Swim for Sharks, The Big Swim Movie

Press Release: Swimmers call out to protect sharks by swimming for them across the San Francisco Bay.

10/27/15 San Francisco CA, For Immediate Distribution Contact: David McGuire Shark Stewards  (415) 729-5041, sharksteward(at)gmail.com Swimmers call out to protect sharks by swimming for them across the San Francisco Bay. […]

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Posted bySharkstewardsOctober 25, 2015June 24, 2026Tags: Alcatraz, Night Train Swimmers, Press Release, Swim for Sharks

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  • Papahānaumokuākea Marine National Monument. Protect the Papahānaumokuākea Campaign T-Shirt $29.99
  • science book Sharks for Kids: A Junior Scientist's Guide to Great Whites, Hammerheads, and Other Sharks $14.95
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Act Now

  • NOAA Considers New Rule to Increase Protection Oceanic Whitetip Sharks

    In a public hearing August 20-21 National Oceanic and Atmospheric Administration conducted hearings seeking comments on a proposed rule to extend protective regulations for threatened oceanic whitetip sharks under section 4(d) of the Endangered …

  • Shark Fin Sales Elimination Act Reintroduced into Senate

    The bill when passed into law will make it illegal to possess, buy, sell, or transport shark fins or any product containing shark fins,

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  • About
    • Mission and Vision
    • Our Goals and How We Get There
    • Where We Work
      • Saving the Scalloped Hammerheads of Baja
      • California Marine Protection
      • Sharks of Hawaii
        • Hawai’i Kahu Manō- Guardians of the Shark
        • Respect for Hawaii Fish- Aquarium Collection
        • ‘Auamakua, Hawaii’s Spiritual Connection to the Shark
      • Sharks in the Coral Triangle
    • Our Team
      • Media Kit, David McGuire, Shark Stewards
    • Partners & Donors
    • Victories & Milestones
      • Act Now to Defend the Endangered Species Act
      • WE DID IT! Saving Endangered Sharks at CITES 2022
      • US Shark Fin Sales Elimination Act Signed into Law
      • Law to End Lethal California Driftnet Fishery Passes
      • Support the Papahānaumokuākea National Marine Sanctuary Designation
    • Shark Stewards DEI Statement
    • Statement Against Asian and API Hate
  • Our Work
    • Saving Sharks
    • California Marine Protected Area Network
      • Shark Sanctuary and MPAs
    • Sharktober Sanctuary Wildlife Expeditions
      • Sharktober: Farallon Sanctuary and Wildlife Tours
      • Sharktober Sanctuary Tours- Instructions
    • Aquatic Park Stewardship
    • White Shark Stewardship
      • How to Avoid a White Shark Attack
      • Sharktober- White Shark Awareness
    • Shark Watch California
      • Observe and Record Sevengill Sharks
        • Sharks of the San Francisco Bay
        • Shark ID and MPAs Education Adventure
    • Stop the Ocean Steal
    • Community Science
      • Citizen Science
    • Shark Science Sheets
      • CITES Shark Science Sheets
    • Media Production
    • Inland Ocean Academy
  • Campaigns
    • Protect the Papahānaumokuākea and Pacific Marine National Monuments From Commercial Fishing
    • SHARKED Act in Senate Committee- Act Now
    • Save the Endangered Species Act
    • Urgent Action to Save Oceanic Whitetip Sharks
    • Stop Big Plastic From Polluting Oceans
  • Get Involved
    • Contact Us
    • Shark Buddies- Connect and Protect
    • Adventures
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
    • Events
  • Shark News
  • Shop

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2150 Allston Way, Suite 460
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.

Our media partner is Scubazoo, who we thank for their generous support and donation of images.