Dory From Finding Nemo Dory, the unforgettable blue tang from Finding Nemo, isn't just a movie star. She's a popular choice for marine and saltwater aquarium enthusiasts, thanks to her striking colors and easy maintenance. But did you know her vibrant blue hue isn't just for show? Blue tangs are algae eaters, and the nutrients in the algae help maintain their brilliant colors while keeping your aquarium spotless. Follow for more fun facts about how your favorite aquarium fish get their vibrant c