| Clue | Source | Date |
|---|---|---|
| Venomous snake native to the south-eastern United States (5,8) | The Guardian Weekend | 19 Sep 2026 |
| Venomous semiaquatic viper | ||
| Cottonmouth | The Times Concise | 05 Aug 2018 |
| Swamp snake | ||
| Venomous semiaquatic snake | ||
| Cottonmouth | ||
| North American viper | ||
| Venomous swamp slitherer | ||
| Rattlesnake cousin | ||
| Venomous semiaquatic creature | ||
| Dangerous swamp snake | ||
| Cottonmouth cousin | ||
| Terror of the bayou. |