The document summarizes facts about mangrove whiptail rays displayed at the Shedd Aquarium. It describes their physical appearance as having eyes on top of their disk shaped bodies with mouths on their undersides. It notes they can camouflage themselves through their coloration. It lists their diet as crabs, sea cucumbers, small fish, octopus, and marine worms. Their only predator is large sharks. Additional facts provided are that they are related to sharks, located in the shark habitat at Shedd Aquarium, live in sea beds, and can eat items both larger and smaller than themselves for food.