| Clue | Source | Date |
|---|---|---|
| A whale's nostril (8) | ||
| Anatomical feature of a 13-Across that uses the same consonants as 13-Across | ||
| Bachelor with humble house has extremely loose vent for escape of gas (8) | ||
| Breathing apparatus hit tricky problem | The Times Quick Cryptic | 15 Feb 2025 |
| Whale nostril (8) | ||
| Dolphin's head-top nostril (8) | ||
| Opening at the top of the head of a whale | Irish Times Simplex | 12 Oct 2020 |
| Spot almost perfect escape route from tunnel | ||
| Whale's breather | Eugene Sheffer | 11 Nov 2016 |
| Nostril of whale or dolphin on the top of its head | Irish Times Simplex | 30 Sep 2015 |
| Main opening? | ||
| Whale's breather |