We had no idea that a crab had 10 legs. Sure we've seen this Fisherman's Wharf landmark dozens of times, but I never counted the legs. Jimmy however, did. We initially thought they made a mistake. Then we saw restaurant sign w/ a crab photo, yup, 10 legs. So when we got home, we had to look it up. It's so funny the completely obvious things you learn 41 years later.