“Colorado is tied for state with the least shark attacks!” tweets proud governor

That report about bull sharks in the river was satire.

I’m guessing aquarium misadventures?

Here’s a story about it, not the one I was thinking about but I think it’s reputable.

https://www.fox10phoenix.com/news/2-bull-sharks-swam-up-mississippi-river-to-st-louis-study-finds

Is the number of attacks > 0?