A bored Martin and Chris want to play a game of Creature Hide and A bored Martin and Chris want to play a game of Creature Hide and Seek and secretly ask Aviva's help to program a new creature power Seek and secretly ask Aviva's help to program a new creature power disc to use. But first, they need to find a creature that has amazing disc to use. But first, they need to find a creature that has amazing hiding powers. The stingray. Science Concept: Cartilaginous fish - hiding powers. The stingray. Science Concept: Cartilaginous fish - fishes with no bones. fishes with no bones.