| Clue | Source | Date |
|---|---|---|
| Groovy reef dweller? | Universal | 11 Jan 2025 |
| Reef organism that looks like a part of the human body | USA Today | 09 Aug 2022 |
| *Groovy ocean dweller (4 to 6) | Universal | 01 Sep 2020 |
| Reef-building creature with a grooved surface | USA Today | 31 Jul 2017 |
| Reef-building creature with a grooved surface | ||
| Reef-building creature |