Related Clues:
- Cobra or python
- See 16 Down
- River flowing from Yellowstone National Park
- Dastardly sort
- Creatures forming the hair of Medusa
- Gem State stream
- ''Anaconda'' menace
- Moccasin without laces?
- Type of critter in five answers in this puzzle
- Chinese zodiac animal
- Reptile
- Moccasin, for one
- Plumbers' drain openers
- River through Idaho
- Plumber's helper