Skip to content
  • 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
    • 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
    • Community Science and Education
      • 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
    • Protect California Sharks
    • 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
    • Events
    • Report Sick, Stranded or Dead Marine Wildlife
    • Shark Buddies- Connect and Protect
    • Adventures
      • Sharktober Sanctuary Tours- Instructions
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
  • Shark News
  • Shop
Donate

Do Sharks Speak?

Swell shark and case

Sharks are often called the Silent Killer, but are they really silent? Communication can include many senses, and sharks have senses that few other species possess. Sharks have evolved as […]

Read More
Posted byDavid McGuireJanuary 31, 2025January 31, 2025Tags: bull sharks, hammerhead sharks, predators, reef sharks, science, shark attack, shark communication, sharks

SHARKED Act Reintroduced and Passes Through House- Add Your Comments

Jan 30, 2025 “As a lifelong fisherman, I have seen firsthand the impact of shark depredation on our marine ecosystem and the sportfishing community,” said Congressman Wittman (R,VA).  This point […]

Read More
Posted byDavid McGuireJanuary 30, 2025June 29, 2025

Why I Will Not Eat Shark Fin Soup This Lunar New Year

Snale and bowl of shark fin soup

01/29/2024 Guest Essay by Volunteer Hana Lin As a Singaporean high school student of Chinese descent, Lunar New Year is one of my favorite times of the year. It is […]

Read More
Posted byDavid McGuireJanuary 29, 2025January 31, 2025

The History of US Shark Finning and Fin Trade Regulation

Shark Fins Drying in a Market

Since the 1950s industrial fishing pressure has increased 18 times. Many populations of pelagic fish like swordfish and tuna have declined severely and sharks have suffered most. Scientists estimate that […]

Read More
Posted byDavid McGuireJanuary 21, 2025January 28, 2025Tags: CITES, IUU Fishing, shark fin bans, shark fin sales, Shark fin soup, shark fin trade, sharkfin trade

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 […]

Read More
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.

Read More
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!

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

Hosting a Plastic Free Event

Malaysia Plastic Harbor 2 300x200

For pot-luck, encourage guests to avoid plastic to go containers, and bring reusable containers and take containers home with them for cleaning, disposal or recycling. Here are some tips for event hosts for a plastic free event.

Read More
Posted byDavid McGuireJanuary 1, 2025January 22, 2025Tags: California, coca cola, plastic, pollution, single use, solo no, surfrider

Posts pagination

Newer posts 1 … 5 6 7

Cart

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

  • Good News for Shark Protection at CITES Oceanic Whitetip

    The Oceanic Whitetip Shark (Carcharhinus longimanus} has been officially uplisted to CITES Appendix I at the 20th Conference of the Parties (CoP20) in Samarkand, Uzbekistan.The good news doesn’t stop there. …

  • Emergency Regulations Passed for California White Sharks and Beach Safety

    Shark Stewards would like the Department to consider a regulation making attracting sharks and using gear targeting large sharks illegal on California piers and beaches. Public comment can be made …

Love Sharks? Subscribe to our newsletter to get shark news on important issues and events.

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
    • 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
    • Community Science and Education
      • 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
    • Protect California Sharks
    • 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
    • Events
    • Report Sick, Stranded or Dead Marine Wildlife
    • Shark Buddies- Connect and Protect
    • Adventures
      • Sharktober Sanctuary Tours- Instructions
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
  • Shark News
  • Shop

Facebook Instagram Youtube

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.