Marine Conservation Science Institute

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.

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/

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.