Answer: mussel

AnswerCrossword Clue
MUSSELTidbit for Charles Atlas
mussela bivalve mollusc
musselbivalve mollusk, sometimes edible
MUSSELBouillabaisse ingredient
MUSSELMarine bivalve
MUSSELStrophitus, for one
MUSSELPaella ingredient
MUSSELBouillabaisse ingredient, perhaps
MUSSELPaella ingredient, sometimes
MUSSELShellfish delicacy
MUSSELGreek characters sell all but one piece of seafood (6)
MUSSELShore-dinner item
MUSSELA bivalve
MUSSELClam's relative
MUSSELClam relative
MUSSELFreshwater clam
MUSSELMollusk delicacy
MUSSELSeafood item.
MUSSELBivalve mollusk.
MUSSELShell fish.
MUSSELBivalve.
MUSSELClam's cousin
MUSSELFreshwater mollusk
MUSSELShore dinner morsel
MUSSELMighty mollusk?
MUSSELShellfish sometimes served with marinara sauce
MUSSELMollusk often served marinara
MUSSELShellfish