Pumpkins & Piranhas returns to the Greater Cleveland Aquarium today through Sunday. The family friendly fun days are included with general admission and feature extended hours, underwater pumpkin decorations, costumed SCUBA divers, a small, take-home treat bag for children, pop-up animal enrichment and I Spy/trivia activities focused on some of the curious creatures residing at the aquarium. The aquarium asks that guests purchase advance general admission tickets to ensure entry. Check the website for hours and more info.