Ocean Invertebrate That Can Grow on Whales

This page is the CodyCross answer for the clue below from Trip to Spain, Group 845, Puzzle 1 (Madrid and Barcelona).

Question is: Ocean Invertebrate That Can Grow on Whales

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.

Ocean Invertebrate That Can Grow On Whales - Trip to Spain CodyCross Answers | CodyCross Solutions