Related Clues:
- Underwater obstruction
- Pink growth which forms reefs and islands
- Ridge of rock or sand just under surface of sea
- Deep pink colour
- Kind of knot
- Marine substance, often forming reefs
- Pink marine substance
- Ridge just under surface of water
- Underwater ridge or kind of knot
- Marine substance, often forms reefs
- Ridge of rock or sand just below sea surface
- Ridge of rock just below ocean surface
- Hard substance formed from skeletons of tiny sea creatures
- Submerged ridge of rock near the surface
- Hard pink substance formed by skeletons of tiny sea creatures