Crockle

A Crockle is a crocodile-like creature that lives near water and can grow up to 30' long. A crockle attacks creatures near the water by jumping out and grabbing it. If a creature strays within 20' of the edge of a crockle's body of water, it will leap out and grapple it, dealing 1d10 damage (save vs. Death Ray to avoid). On successive rounds a save must be made or the grappled creature takes an additional 1d6 damage and is dragged towards the water. A creature dragged into the water may still make a save, but at a -2 as it is harder to escape underwater. The victim also takes drowning damage until it dies or escapes.