My Year of Darwin 5/26/2014: No respect for the marine iguana

 

"It is extremely common on all the islands throughout the group, and lives exclusively on the rocky sea-beaches, being never found, at least I never saw one, even ten yards in-shore. It is a hideous-looking creature, of a dirty black colour, stupid, and sluggish in its movements."

One of his shipmates tied a stone to one and held it underwater for over an hour and it was still alive. They live on sea lettuce (Ulva) , which isn't bad at all. 

animals.nationalgeographic.com