The document summarizes facts about mangrove whiptail rays exhibited 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 camouflage in bright tropical waters and eat crabs, sea cucumbers, small fish, octopus, and marine worms. Their only predator is large sharks, and additional facts are that they are related to sharks, located in the shark habitat at Shedd Aquarium, live in sea beds, and can camouflage to become invisible from predators.