April 12, 2026•1 min read•from Marine Biology Subreddit

Is this some kind of barnacle? Laguna Beach, CA

That ridgey part at the bottom comes in an out in a breathing sort of way.

Check out the full article on the original site

#barnacle

#Laguna Beach

#marine biology

#ridgey

#breathing

#marine organism

#CA

#aquatic life

#ocean

#marine life

#tidal zone

#shell

#coastal

#marine ecosystem

#intertidal

#habitat

#ecosystem

#marine research

#species identification

#biological characteristics