He hangs out underneath the mangrove roots as a form of protection. Unlike land turtles, sea turtles cannot retract their heads into their shells for protection. So, when they aren't out and about, they like to park underneath something that provides protection for their heads.
E really wanted to touch him. That's against the rules, so she talked to him..a lot. Whole conversations. She even took a few videos of him.
We visited with Jalapeño all three days. Since we've been home, she has continued to talk about the little guy and can't wait for an opportunity to go back and see him again.