Is the bigger animal a dragon?

            Althron the bigger animal here looks like a dangerous dragon, It's a gentle and sweet creature called marine iguana.

           The  marine iguana lives in the Galápagos Islands, located in the Pacific Ocean west of South America. A type of large lizard, the marine iguana is the only lizard that lives in the sea, and it is the only one that eats sea algae, especially seaweed.

          Algae are large group of plants without roots or flowers. You can imagine the marine iguana's size from the smaller lizard on its back.