The electric rays are a group of rays, flattened cartilaginous fish with enlarged pectoral fins, comprising the order Torpediniformes.
The Electric Ray has a shape of that of a kidney are they are highly electro-active. They do produce and store electricity within their body so as to use it as a means of defense against their predators and also a means of weapon to catch prey.
They are rarely noticed because they are only found on ocean floors or buried in mud sand. The dark brown coloration of electric rays resembles the ocean floors. It helps them to hide away from potential predators.