Scientists have uncovered the genetic underpinnings of one of the ocean's most bizarre animals: a branching marine worm named Ramisyllis kingghidorahi that lives inside sea sponges and reproduces in a ...

Even among the numerous gnarly animals swimming, crawling, and “flying” through the world’s oceans, the branching marine worm (Ramisyllis kingghidorahi) has a very interesting reproductive style.