This bottom-dweller is a porcupine ray (Urogymnus asperrimus). | National Geographic

This bottom-dweller is a porcupine ray (Urogymnus asperrimus). These rays get their name from their prickly body that acts as armor against potential predators. These spikes are critical for the porcupine ray as they lack the venomous barb most stingray species use for warding off larger animals.

National Geographic