DSC02798 | Flickr - Photo Sharing! DSC02803 | Flickr - Photo Sharing! DSC02812 | Flickr - Photo Sharing! Which one is this? The stuff is not very long but it is THICK and tough. Very fibrous. Almost like a carpet. Turbo snails, lawnmower blenny, Yellow eyed tang wont touch the stuff. As you can see it is growing everywhere that is not shaded. It is getting worse and I need some advice please.