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
      • 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
        • Indonesia Protecting Sharks and Reefs
        • Creating a Marine Protected Area in Indonesia
    • 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 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
    • Sustainable Ecotourism and Data Dives
    • Citizen Science
    • Media Production
  • Science & Education
    • Aquatic Park Stewardship
    • Community Science
    • Shark Watch California
      • Sharktober Sanctuary Wildlife Expeditions
        • Sharktober: Farallon Sanctuary and Wildlife Tours
        • Sharktober Sanctuary Tours- Instructions
      • Observe and Record Sevengill Sharks
      • Sharks of the San Francisco Bay
      • Shark ID and MPAs Education Adventure
    • Inland Ocean Academy
    • Shark Science Sheets
      • CITES Shark Science Sheets
    • Sharks of Hawaii
    • Shark Sanctuary and MPAs
    • White Shark Stewardship
      • How to Avoid a White Shark Attack
      • Sharktober- White Shark Awareness
  • Campaigns
    • Stop the Ocean Steal
    • Save the Endangered Species Act
      • PETITION TO DEFEND THE ENDANGERED SPECIES ACT
    • SHARKED Act in Senate Committee- Act Now
    • Defend Pacific Marine National Monuments From Commercial Fishing
    • Support NOAA and our National Marine Sanctuaries
    • 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
Donate

Basking Shark-California’s Biggest Fish

Basking Shark Day

International Basking Shark Day Recognizes the Second Largest Fish, and Works to Protect Them

The basking shark (Cetorhinus maximus) is the second-largest living shark.  It is one of three plankton-eating shark species, along with the whale shark and megamouth shark.

Read More
Posted byDavid McGuireNovember 3, 2025November 3, 2025Tags: endnangered, filter feeder, gill nets, shark fin, sharks, sharktoberfest

Cart

Products

  • science book Sharks for Kids: A Junior Scientist's Guide to Great Whites, Hammerheads, and Other Sharks $14.99
  • Swag Mens Hammerhead and Manta Ray T shirt $29.99
  • Swag Hammerhead and Manta T Women's $29.99
  • Tiger Shark Shark Stewards Shark Buddies $100.00

Act Now

  • Stop Plastic Waste from eCommerce

    On behalf of Shark Stewards, I am writing in strong support of Assembly Bill 1371. Assemblymember Friedman’s legislation will help address the global plastics crisis by phasing out the unnecessary …

  • Kona Gold: the Yellow Tang

    Due to its bright color and behavior, the yellow tang is also one of the most popular marine aquarium fish. Collected in the wild, Lemon Tangs can bring some of …

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
      • 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
        • Indonesia Protecting Sharks and Reefs
        • Creating a Marine Protected Area in Indonesia
    • 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 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
    • Sustainable Ecotourism and Data Dives
    • Citizen Science
    • Media Production
  • Science & Education
    • Aquatic Park Stewardship
    • Community Science
    • Shark Watch California
      • Sharktober Sanctuary Wildlife Expeditions
        • Sharktober: Farallon Sanctuary and Wildlife Tours
        • Sharktober Sanctuary Tours- Instructions
      • Observe and Record Sevengill Sharks
      • Sharks of the San Francisco Bay
      • Shark ID and MPAs Education Adventure
    • Inland Ocean Academy
    • Shark Science Sheets
      • CITES Shark Science Sheets
    • Sharks of Hawaii
    • Shark Sanctuary and MPAs
    • White Shark Stewardship
      • How to Avoid a White Shark Attack
      • Sharktober- White Shark Awareness
  • Campaigns
    • Stop the Ocean Steal
    • Save the Endangered Species Act
      • PETITION TO DEFEND THE ENDANGERED SPECIES ACT
    • SHARKED Act in Senate Committee- Act Now
    • Defend Pacific Marine National Monuments From Commercial Fishing
    • Support NOAA and our National Marine Sanctuaries
    • 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

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.