Answer: barnacles

AnswerCrossword Clue
BARNACLESSight on an old hull
BARNACLESBoat hangers-on
BARNACLESHull hangers-on
BARNACLESClingers
BARNACLESHull huggers
BARNACLESClingy critters
BARNACLESEuropean geese
barnaclesUsed figuratively to describe a tenacious person or thing
barnaclesBARNACLE, a shellfish
barnaclesA marine crustacean with an external shell, which attaches itself permanently to a variety of surfaces. Barnacles feed by filtering particles from the water using their modified feathery legs