Marine Conservation Science Institute

11/28/2025

Today is Black Friday and to help with your holiday shopping MCSI is offering 20% 2026 White Sharks of Guadalupe Island, Mexico calendars, 20% off Guadalupe Island White Shark photo-ID books, and 50% off all MCSI t-shirts and sweatshirts. We are also promoting 20% off Cancer Revengers Layla Bracelets for the Ocean: Lucy Edition, which helps support both shark research and cancer research. This is the perfect time to start your holiday shopping for the shark lover on your list! All proceeds support MCSI research and conservation efforts. Visit www.marinecsi.org for more details.

11/21/2025

The MCSI 2026 White Sharks of Guadalupe Island calendars are now available! These calendars contain photos of some of our favorite Guadalupe Island white sharks including Bruce, Scarboard, Shredder (AKA Scar and Cal Ripfin), and Lucy, by some amazing underwater photographers! Available with donation at https://www.marinecsi.org/calendar/. Proceeds support MCSI research and conservation efforts.

07/20/2025

Layla is battling an extremely rare and aggressive brain cancer, a high grade (WHO III) anaplastic supratentorial ependymoma. Less than 200 people per year get this type of brain cancer and to make matters worse, she has a rare strain. Our goal is to help Layla, and to help other children with your....

12/17/2024

To help you with your last minute holiday shopping MCSI is offering 50% off all 2025 White Sharks of Guadalupe Island, Mexico calendars, and MCSI t-shirts and sweatshirts plus 20% off 2023 Guadalupe Island White shark photo-ID books. Perfect gifts for the shark lover on your list! All proceeds support MCSI research and conservation efforts. see https://www.marinecsi.org/gifts/

11/29/2024

Today is Black Friday and to help with your holiday shopping MCSI is offering 20% off 2023 Guadalupe Island White shark photo-ID books and 2025 White Sharks of Guadalupe Island, Mexico calendars, and 50% off all MCSI t-shirts and sweatshirts. This is the perfect time to start your holiday shopping for the shark lover on your list! All proceeds support MCSI research and conservation efforts. https://www.marinecsi.org/gifts/

11/18/2024

The MCSI 2025 White Sharks of Guadalupe Island calendars are now available! These calendars contain photos of some of our favorite Guadalupe Island white sharks including Biteface, Thor, and Lucy by some amazing underwater photographers! Available with donation at https://www.marinecsi.org/calendar/. Proceeds support MCSI research and conservation efforts.

10/15/2024

Would you like to see your Guadalupe Island shark photo featured in the 2025 MCSI White Sharks of Guadalupe Island Calendar?
Guadalupe Island is still closed to the public, but the Guadalupe Island sharks are forever in our hearts and our minds. The White Sharks of Guadalupe Island calendar is a visual way to honor some of our favorite sharks. MCSI is preparing to print the 2025 calendar and is accepting photo submissions. If you are interested, please send photos to [email protected]

12/12/2023

To help you with you last minute holiday shopping MCSI is offering 50% off all 2024 White Sharks of Guadalupe Island, Mexico calendars, and MCSI t-shirts and sweatshirts plus 20% off 2023 Guadalupe Island White shark photo-ID books. Perfect gifts for the shark lover on your list! All proceeds support MCSI research and conservation efforts. https://www.marinecsi.org/

The Marine Conservation Science Institute is an environmental research organization founded on the belief that focused research can make a difference in how we view and manage our marine resources. www.marinecsi.org

11/24/2023

Today is Black Friday and to help with your holiday shopping MCSI is offering 20% off 2023 Guadalupe Island White shark photo-ID books and 2024 White Sharks of Guadalupe Island, Mexico calendars, and 50% off all MCSI t-shirts and sweatshirts. This is the perfect time to start your holiday shopping for the shark lover on your list! All proceeds support MCSI research and conservation efforts. checkout https://www.marinecsi.org/ for more details

10/23/2023

Last spring MCSI printed the updated Guadalupe Island white shark Photo-ID guide consisting of 454 sharks. The books sold out quickly! We are now looking to print another batch, if you would still like a copy, or are thinking of getting one for a gift this holiday season, please help us make sure we order enough copies by going to https://www.marinecsi.org/sponsor-a-shark/photo-id-book/ and preordering your copy. All preorders will include an MCSI shark sticker.