Wondernose: What Animal Nearly Always has its Mouth Open as if it Were Panting?

Wondernose: What Animal Nearly Always has its Mouth Open as if it Were Panting?

Not only does our mystery animal swim around with its mouth open, but that mouth is actually filled with sharp teeth! As a result, many people think this is a fierce, dangerous animal. Some stories say that our mystery animal will attack any person who is foolish...