Acorn barnacles have the longest penises (relative to body size) of any animal - they can extend to over 6 times the length of the body. Adults are hermaphrodites but they can't
Some Barnacles Can Move Around to Improve Feeding Position | The Scientist Magazine®
Barnacle penises are really fascinating | Boing Boing
Anna Rothschild on Twitter: "@NerdyAndQuirky @TheTierZoo @sallylepage @SimoneGiertz Many years ago I made a short video barnacle penises, and let me tell you, they are even weirder than you could imagine: https://t.co/jCsr36i6wS" /
barnacle facts
Precisely proportioned: intertidal barnacles alter penis form to suit coastal wave action | Proceedings of the Royal Society B: Biological Sciences
The barnacle's penis. | Pygmy Loris
Researchers Discover New Method of Barnacle Sex | Science| Smithsonian Magazine
Dustin Growick 🦖 on Twitter: "Ya know, just FYI, relative to body size, the barnacle has the largest penis in the animal kingdom. @SAMuseum https://t.co/MuTOcvUFK1" / Twitter
Barnacle - Wikipedia
Barnacles
Researcher discovers unique anatomical characteristic in barnacle study
Barnacles
The Wacky World of Barnacles - CoastMountainExpeditions
The barnacle's penis. | Pygmy Loris
Maris Wicks on Twitter: "#mermay : barnacle edition: part two Fun fact: Barnacles have the largest penis to body size ratio in the animal kingdom. https://t.co/qPODnwSRkL" / Twitter
1 Reproductive behaviour of barnacles. In some species the penis length... | Download Scientific Diagram
Why do whales have ten foot penises while so many other sea creatures have no penis? - Quora
On the study of crustaceous genitalia | Deep Sea News
Barnacles' Penises Are Eight Times as Long as Their Bodies - Nerdist
How Do Barnacles Mate? | WIRED
Barnacle | in proportion to their body length, barnacles hav… | Flickr
The weirdest penis stories in the animal kingdom revealed
