Taken while running through Two-toed Tobias
Remember kids, bats are fearsome amphibious predators, and will chew on you underwater.
Yes, that's a bat, a breath bar, and me getting bitten:
Another bat off to my left:
It was hard to tell, but bats would come down, bite me, and either fly away for air or respawn. Not like it's easy to keep track of the little blighters at the best of times. Iirc, this was in the first leg of the water leading to the first switch, which is moderately deep.