Sea worm’s reproductive bits grow their own eyes before mating. The branching marine worm has one head, many butts, and a busy sex life. By Laura Baisas. Published May 20, 2025 2:30 PM EDT.

Scientists were dazzled after discovering an iridescent, bristled sea worm that is being compared to an aquatic "toilet scrubber." The nonprofit Schmidt Ocean Institute recently shared a video of ...

A robotic explorer filmed the deep-sea worm as part of Schmidt Ocean Institute expedition of the Chile Margin Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013 ...

The worm also throws out its proboscis as a defensive strategy—and that’s what we’re seeing in the video, Kvist says. The worm tries to defend itself by casting out the proboscis, which ...

Now, scientists have discovered a new species of deep-sea worm. It was found about 30 miles off of Costa Rica’s Pacific coast in an underwater methane seep.

The sea worm Platynereis dumerilii is only a few centimeters long but has a remarkable ability: in just a few days, it can regenerate entire parts of its body after an injury or amputation. By ...

A University of Kansas paleontologist exploring an area known for its fossils recently uncovered a never-before-discovered ancient sea worm – and showed off her “nerdy” side while naming it.

Scuba diving scientists found sea creatures with “spaghetti”-like tentacles on coral reefs of Polynesia and discovered a new species, a study said. Photo from Getty Images / iStockphoto ...

Scientists were dazzled after discovering an iridescent, bristled sea worm that is being compared to an aquatic “toilet scrubber.” The nonprofit Schmidt Ocean Institute recently shared a video ...