Answer: limpet

AnswerCrossword Clue
LIMPET

Tenacious clinger

LIMPET

Clinging mollusk

LIMPET

Aquatic snail

LIMPET
Relative of a barnacle.
LIMPET
Shellfish.
LIMPETClinging shellfish.
LIMPETRock-clinging mollusk
LIMPETCousin of a conch
LIMPETMollusk with a low conical shell
LIMPETTight-clinging mollusk