Hippo Cove Hippo Cove, home of the World’s most famous hippo, Fiona, was designed to bring visitors #CloseEnoughToCare! There is an underwater viewing area and an interactive play area for children young and old to learn and explore more about these giant and amazing animals. Visit the bloat next time you go to Hippo Cove! Temperatures must be 40 degrees or warmer for Fritz the hippo to be outside. The best time to see them active is between 3pm-5pm.