The meaning of Shellfish in dream | Dream interpretation
To find shells empty, loss of time and credit; to find them full, hope of success.
To gather them, merry making and sport (Gypsy).
Often the defensive shell we use to avoid hurt or sexual or emotional involvement; the female sexual organs. Oyster: also defensive shell, but may link with sexuality through common association; tight lipped; secretive; frigidity. See crab; pearl under jewels. Lacking shell: our naked vulnerability.