Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s been a wormy, sexual head-scratcher for years. The Japanese ...

Male stolen (right hand side): one of the independent reproductive units – growing at the tip of a branch of the worm’s body. It has sprouted eyes and will go swimming free to find a stolon of the ...

Scientists have discovered how Japanese green syllids — a type of sea worm — grows a twin on its butt that swims away to spawn. When you purchase through links on our site, we may earn an affiliate ...

In Stenostomum brevipharyngium, a microscopic flatworm, reproduction doesn’t require a mate. The species multiplies through a process called paratomy, an asexual form of reproduction where a new ...

Some segmented sea worms like the syllid worm go through a reproductive process called stolonization. The stolon is the worm’s posterior organ and it is full of eggs or sperm depending on the worm’s ...

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 ...