Related Clues:

• Lobster relative
• Complainer, slangily
• Seashore scavenger
• Crabby type
• Some seafood
• Seafood option
• Dungeness delicacy
• Curmudgeonly sort
• Cake ingredient, perhaps
• Crab-ass
• Sea creature that moves sideways
• Crotchety one
• Crustacean
• Shore crawler
• Beach critter