If you study your barnacles long enough, you might see another claim to fame – as the proportionally longest penis in the ...

Barnacles have the longest penis of any animal, relative to body size. Adults fuse onto one spot, so this is a necessary adaptation to reach eggs to fertilize. Their penises also taste and smell in ...

Scroll long enough, and you will see barnacles portrayed all over social media as ocean troublemakers. People violently scrape them off ship hulls and sea turtles like they are the problem. In reality ...

For barnacles, which are stuck in one place, sex can be tricky. The shelled sea creatures have been known to use extra-long penises to fertilize their nearest neighbors. Now researchers have ...