![Charlotte Brassey on Twitter: "For #FossaFriday, it's the penis of a Fossa. Such an interesting structure! Thanks to @Callumjmclean for his dissection skills https://t.co/9QI34CAgOw" / Twitter Charlotte Brassey on Twitter: "For #FossaFriday, it's the penis of a Fossa. Such an interesting structure! Thanks to @Callumjmclean for his dissection skills https://t.co/9QI34CAgOw" / Twitter](https://pbs.twimg.com/media/DAMkF0OWsAApo5P.jpg:large)
Charlotte Brassey on Twitter: "For #FossaFriday, it's the penis of a Fossa. Such an interesting structure! Thanks to @Callumjmclean for his dissection skills https://t.co/9QI34CAgOw" / Twitter
![Charlotte Brassey on Twitter: "The totally fierce spines of a fossa penis (ventral view) https://t.co/HBdJ5v0BJe" / Twitter Charlotte Brassey on Twitter: "The totally fierce spines of a fossa penis (ventral view) https://t.co/HBdJ5v0BJe" / Twitter](https://pbs.twimg.com/media/DZ3yjhyWkAAaAEU.jpg:large)
Charlotte Brassey on Twitter: "The totally fierce spines of a fossa penis (ventral view) https://t.co/HBdJ5v0BJe" / Twitter
![The adolescent female fossa develops a large, spiky clitoris that resembles a penis, and secretes a substance on her underbelly, like males. The purpose, though unclear, is likely protection from either sexual The adolescent female fossa develops a large, spiky clitoris that resembles a penis, and secretes a substance on her underbelly, like males. The purpose, though unclear, is likely protection from either sexual](https://nano.scrolller.com/the-adolescent-female-fossa-develops-a-large-atlqitsymy-560x670.jpg)
The adolescent female fossa develops a large, spiky clitoris that resembles a penis, and secretes a substance on her underbelly, like males. The purpose, though unclear, is likely protection from either sexual
![Caught on Camera: The Fossa, Madagascar's Elusive Top Predator | Saving Earth | Encyclopedia Britannica Caught on Camera: The Fossa, Madagascar's Elusive Top Predator | Saving Earth | Encyclopedia Britannica](https://www.britannica.com/explore/savingearth/wp-content/uploads/sites/4/2020/05/file-20180710-122259-1doj7nr.png)