| Answer | Crossword Clue |
|---|---|
| coral | a rocklike substance on the sea bottom |
| corals | CORAL, a rocklike substance on the sea bottom |
| bathybius | a substance on the sea bottom formerly thought to be living matter |
| bathybiuses | BATHYBIUS, a substance on the sea bottom formerly thought to be living matter |
| RAYS | Fish that live on the sea bottom. |
| benthonic | living on the sea bottom also BENTHAL, BENTHIC, BENTHOAL |
| ANERVOUSWRECK | What sits on the bottom of the sea and shakes? |
