2-2:30 p.m. at Lyonia Environmental Center, 2150 Eustace Ave., Deltona. For all ages. Join staff at the saltwater aquarium for a feeding demonstration of marine animal ambassadors. Menu items include krill, seaweed and shrimp. Discover which critters enjoy that menu, their unique eating methods, and the important role each plays in our ecosystem. Free. Registration is required; call 386-789-7207, ext. 21028, or visit https://tinyurl.com/lec-event.