Through detailed investigations of anatomy and genetics, they began to solve the mystery, finally confirming that this incredible animal is a nudibranch. Most nudibranchs, also known as sea slugs ...

Then they noticed the reason why: the sea slugs sloughed off their male sex organs around 20 minutes after mating, leaving them without the anatomy required to repeat the trick until it grew back a ...

Usually, sea slugs use their rough tongues to scrape food ... "Almost every aspect of Bathydevius reflects an adaptation to this habitat: anatomy, physiology, reproduction, feeding, behavior ...