on YouTube) was about how people saw it as kids and had nostalgic feelings for it, it didn't really strike me as a movie made for kids. There's a deadly shark attack within a couple of minutes of the movie starting, and a few more later on. I'm pretty sure I saw a bare breast at one point, too. I suppose it's reassuring, though, that the parents of the '80s weren't so uptight about what their kids watched, and didn't let some partial nudity and deadly violence get in the way of letting youngsters see this lame-ass movie.
review from 1951), which was also made into a 1964 Italian movie called Tiko and the Shark, and the fact that this is the most notable version of the story demonstrates just how unremarkable the whole thing is.