Monster Inspiration - Coral

Turning to myths and legends for monsters is awesome, but now that we have all these awesome HD cameras, timelapse and whatnot it's become so much easier to see just how truly terrifying nature is. It could just be that I've been reading Roles, Rules and Rolls' posts on Hodgson a little too closely, but the ocean is full of terrible, terrible things, like coral:

Plate Coral Feeding:


Fighting Corals:

Makes me wonder what a non-underwater garden of these things would be like.