The clownfish became so popular after the movie, "Finding Nemo." People always come into the aquarium asking where Nemo is. lol Clownfish are named for the multicolored sea anemone in which they live. Yes, they make their home in the anemone. The clownfish is immune to the deadly sting of the fish-eating anemone. The clownfish and the anemone have a great relationship and help each other survive.