This is one of the biggest attractions in the Mall of America. More than 3,000 saltwater and freshwater fish call it home. It is a progression of habitats with a range of species in varying ecosystems, ranging from a Minnesota lake to a reef off the coast of Belize. There are sharks, southern stingrays, endangered sea turtles, more than 100 sea horses, moray eels and other uncommon animals like the alligator snapping turtle, giant Pacific octopus and puffer fish.