The Bailey-Matthews National Shell Museum & Aquarium will host a guided Sunrise Shell and Mollusk Stroll on Jan. 26 at 7:30 a.m. at the Lighthouse Beach Park, at 110 Periwinkle Way, Sanibel. Participants will join a marine biologist to learn about local mollusks and their shells and to search for live mollusks during low tide. They will also gain a closer understanding of molluscan biology and biodiversity. Registration is required. Cost is $10 for adults and $5 for museum members and ages 17 and under; parking is not included. For more information or to register, contact Associate Director of Education Jorden Falker at jfalker@shellmuseum.org or visit ShellMuseum.org/sunrise-stroll.