#shellfish  meat of edible aquatic invertebrate with a shell (especially a mollusk or crustacean)
  supertype:  seafood  edible fish (broadly including freshwater fish) or shellfish or roe etc
  subtype:  mussel.shellfish  huitre  clam.shellfish  cockle.shellfish  crabmeat  crawdad  limpet.shellfish  lobster.shellfish  spiny_lobster  scollop
  part of:  mollusk__mollusc__shellfish  invertebrate having a soft unsegmented body usually enclosed in a shell

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