Included with general admission, Greater Cleveland Aquarium’s Spring Discovery Days feature small species videos, daily animal encounters, “I Spy” activities and Thursday afternoon appearances by traveling animal educator, Nora the Explorer—a favorite for guests of all ages. Ready to get tickled by a cleaner shrimp, see a blue poison dart frog’s heart-shaped toes or look for a well-camouflaged weedy seadragon?  For tickets, times and a chance to test your knowledge with a little trivia, visit greaterclevelandaquarium.com.