barnacles

All the Things You Never Knew About Barnacles
Strong-shelled and firmly cemented in place, barnacles shrug off even the strongest waves at high tide. Sharp-edged and closely clustered, they are a reminder that the sea is rough and therefore tend to be avoided. Their ubiquity means they also tend to be ignored—except by naturalists.

Life Below the Mooring Ball
Have you ever wondered about all those things growing on your mooring ball or pennant or hanging off your dock in the summer? Science writer Ruth Hill explains what they are and how to get a better look.