Marine elasmobranch fishes such as sharks, stingrays etc. Sharks, stingrays, and barracudas also live in this ecosystem. The "fish" caught included manatees, sharks, sailfish, porpoises, stingrays, and small fish. A Predator Lagoon is full of sawfishes, barracudas, stingrays, and sharks. Species from this area on exhibit include anacondas, piranhas, spiders, freshwater stingrays and caimans. Animals such as sharks, stingrays, Weever fish, seals and jellyfish can sometimes present a danger. Larger fish such as Atlantic sturgeon, varieties of sharks, and stingrays visit the Chesapeake Bay. Species include several kinds of fish (including piranhas), sea horses, shrimps, lobsters, stingrays, octopus, etc. This class consists of all the cartilaginous fishes, including sharks and stingrays. Cartilaginous fish (sharks, stingrays and chimaeras) use magnetoception. These receptors are located along the mouth and nose of sharks and stingrays. Manta rays are members of the order Myliobatiformes which consists of stingrays and their relatives. The prints shifted from reptilian to prints of water creatures such as jellyfish and stingrays. Other species that enter rivers include the stingrays (Dasyatidae, Potamotrygonidae and others) and sawfish (Pristidae). Other primary exporters of wild-caught freshwater stingrays are Colombia and Peru.