I couldn’t believe my luck. I had just reached the bottom at 20 feet and was cruising toward the kelp forest in deeper water when I saw a prehistoric looking creature lounging on the sand. It was light brown, with a distinctive flat, heart shaped head and a long tail. There were three rows of spines on its back. The animal, which reminded me of an armored vehicle, was a thornback.  The creature tolerated having its photo taken for several minutes before moving on. (Yes, […]