Camp Mystery Creature Revealed!

Hi Campers:

Today we reveal this weeks "Bay Mystery Creature.  Lets review the four clues first then give your guesses.

Clue 1: They spend most of their lives in a head down and feet up position.

Clue 2: They begin life as free-swimming larvae. 

Clue 3: When the time comes to settle, the larvae "glue" their heads to hard surfaces, such as pilings, wharfs, ships, rocks or other hard-shelled animals.

Clue 4: When the tide is out, they close their trap doors to conserve moisture. Adults build their own fort—a cone-shaped limestone shell with a trap door in the ceiling.

This weeks Bay Mystery Creature is  . . .

Wait, here it comes .  .  .

What for it . . .

It a Barnacle!