They forgot this one, or did it just make it off the list at
Number 11. Slow? The three-toed Sloth would win the 100 metre dash!
btw, as a Star Wars fan, I can say the Sarlacc isn't as dangerous as the site made out. Yes, 1000 years of being digested sounds pretty crazy. But not all hope is lost. Boba Fett escapes

Just read the comics, you'll see.