Shellfish That Clings Onto Rocks, Stubbornly
This page is the CodyCross answer for the clue below from Art Museum, Group 729, Puzzle 5 (Charcoal Drawing).
Question is: Shellfish That Clings Onto Rocks, Stubbornly
and the answer is: BARNACLE
Word Meaning:
BARNACLE — A marine crustacean of the subclass Cirripedia that attaches itself to submerged surfaces such as tidal rocks or the bottoms of ships.
Definitions from Wiktionary.