I have a 2-yr-old aquarium. Two days ago I added a really cool Sea Basket Starfish. He was very active when I put him in the tank, and steadfastly made his way to the airhose on my protein skimmer where he has been ever since. Today I coaxed him off the airhose & placed him on a rock. Within an hour he was wrapped back around the air hose. Is this normal or indicative of a unhappy camper? Is there anything I can do to help him?