• abalone
• American lobster
• clam
• conch
• crab
• crawdad
• crawfish
• crayfish
• crustacean
• Dungeness crab
• echinoderm
• hard-shell clam
• king crab
• langouste
• limpet
• mollusk or mollusc
• mussel
• Norway lobster
• octopus
• oyster
• prawn
• rock lobster
• scallop
• sea cucumber
• sea urchin
• shrimp
• soft-shell clam
• South African rock lobster
• spiny lobster
• squid
• whelk