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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
    • Report Sick, Stranded or Dead Marine Wildlife
    • Shark Buddies- Connect and Protect
    • Adventures
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
    • Events
  • Shark News
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Underwater Cleanup Catalina- Join us!

Join Shark Stewards at our booth and get a free sticker.

Avalon Harbor Underwater Cleanup Feb. 22, 2025
One of Southern California’s major dive events!

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Annual Festival of Whales and Shark Booth

Kids and balloon

Save the date for the 54th Annual Festival of Whales happening March 7-9, 2025!

Join Shark Stewards at our booth and win an opportunity for a shark safari with us!

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SCUBA Show Long Beach

Scuba Show

JOIN SHARK STEWARDS at the SCUBA SHOW LONG BEACH!

Long Beach Convention Center Long Beach, California

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Hope for Sharks and Marine Habitat

Karina Small

Shark Newsletter December 24, 2024 View this email in your browser This year, as part of our Kahu Manō campaign to reduce retention and bycatch of critically endangered sharks, Shark […]

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Posted byDavid McGuireJanuary 17, 2025January 17, 2025Tags: annual report, Conservation, end of year, hawaii, oceanic whitetip sharks, overfishing, Pacific, sharks, Tuna, volunteers

Dead Sharks and Rays in Aquatic Park

Dead male leopard shark

During the week of February 6 a colleague reported via Reddit seeing several dead bat rays and leopard sharks at Berkeley’s Aquatic Park. After investigating, a biologist from Shark Stewards recorded nearly 20 dead leopard sharks and bat rays at Aquatic Park.

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Posted byDavid McGuireJanuary 13, 2025January 27, 2025Tags: aquatic park, Bat ray, Berkeley, leopard shark, San Francisco Bay, sharks, stranding

Shark Sex- How Sharks Do It

Swell shark and case

Shark sex- How sharks reproduce- a diversity of strategies from asexual to eggs to sexual reproduction. Sharks are amazing!

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Posted byDavid McGuireJanuary 3, 2025February 3, 2025Tags: biology, great white shark, sex, sexuality, sharks

I Wish You Water- Remembering J Nichols

Extinction

2024 will be remembered for many momentous events, from ongoing wars, to the election, to the specter of a new global virus. This year, the world also suffered a truly tragic loss in the ocean conservation world with the untimely passing of Wallace “J” Nichols.

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Posted byDavid McGuireDecember 30, 2024January 20, 2025Tags: blue marble, blue mind, Sea turtles, sharks, Wallace J Nichols

Ocean Sustainability: Bridging Perspectives for a Shared Future              

Tiger Full

12/12/2024 Guest Post for Shark Stewards By: Vivian Guido Ocean sustainability is the cornerstone of global environmental health and the foundation of countless ecosystems, economies, and cultures. In recent years, […]

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Posted byDavid McGuireDecember 12, 2024January 22, 2025Tags: 30X30, great white, MPA, sharks

Putting the Blue Into Black Friday

MPA Film Day

Join Shark Stewards with our Golden Gate MPA Collaborative for a day of films and information on marine wildlife and habitat protection.

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Posted byDavid McGuireDecember 1, 2024May 14, 2026Tags: great white shark, San Francisco, shark fin, sharks, sharktoberfest

Are Sharks Really the Apex Predators?

Leopard shark swimming near kelp

Many species of sharks are considered apex predators in the marine ecosystems they inhabit. Apex predators are usually defined in terms of trophic dynamics, meaning that they occupy the highest […]

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Posted byDavid McGuireNovember 29, 2024January 22, 2025Tags: apex predators, great white shark, leopard sharks, sharks, sharktober

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Products

  • 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
  • Swag Mens Hammerhead and Manta Ray T shirt $29.99
  • Swag Hammerhead and Manta T Women's

Act Now

  • URGENT ACTION TO PROTECT OCEANIC SHARKS

    Shark Stewards is supporting the newly Proposed Rule: Retention Prohibition of Oceanic Whitetip Sharks in U.S. Atlantic Waters and Hammerhead Sharks in the U.S. Caribbean Sea.

  • Fed Ex Shark Fin Shipping

    Driven largely by the shark fin trade, many species of sharks are threatened with extinction. As a major shipper between the USA and Asia, Fed Ex is responsible for killing …

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Sitemap

  • 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
    • Report Sick, Stranded or Dead Marine Wildlife
    • 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.