There are dozens of species in the Istanbul Sea Life Aquarium, from stingrays to sharks, turtles to goldfish, and interesting algae species. Since the quantity is very high and most of them are so small, a precise amount cannot be given. Don't forget to take a look not only at the water but also at the bottom of the aquarium. There you can observe all the creatures and get information about them! Many interesting types of algae and sea creatures are waiting for you!