Is the Amazon Leech Longer or Shorter Than the World's Tallest Donut?

Do you think the giant Amazon leech is longer or shorter than the world's longest cat tail? The difficulty of this quiz question, you actually need to quite arcade bits of knowledge to even make a guess. Do you think the tallest donut is 16 inches tall and it was quite wide and fairness? Foot and heart. I mean, that's a tall donut. I could eat that though.