Related Clues:
- Large bivalve
- Shellfish - secretive type
- Shellfish - secretive person
- Tightly closed shellfish
- Happy mollusk
- Chowder tidbit
- Blabber's opposite
- Dollar, so to speak
- Tight-lipped sort
- Mollusc rising with difficulty out of sea
- Cherrystone or littleneck, e.g
- Trireme mover
- Certain steamer
- Quahog, e.g
- Littleneck, e.g