Christmas tree worm is the common name of a species of marine worm that lives in tropical coral reefs around the world. At the first sign of danger, Christmas tree worms quickly retreat into their burrows, hiding from potential predators. Here's a Christmas tree worm retracting in Mantanani Island, Sabah, Malaysia. #christmastreeworm #Mantanani #Sabah #Malaysia #Borneo #SabahWildlifeDepartment #SabahTourism #Scubazoo #SZtv | SZtv

This is a marine worm, Dinophilus, and it’s parasitized by unicellular organisms called Grellia. You can see the parasites as blue, banana-shaped structures in this polarized view. . Dinophilus are a few millimeters in length and inhabit all marine environments. They eat algae and mind their own business without bothering anyone. However, the large population I had in one of my fishless tanks were all infected by a species of unicellular organism. . When I checked an odd-looking Dinophilus under

Polychaetes are a type of marine worm with a simple structure: a head, a tail, and a body divided into segments with leg-like structures covered. They are generally coveredin spiky bristles, which is why they’re called “polychaetes”—it means “many hairs” in Greek. There are at least 10,000 different species of these worms, and they come in all sorts of colors, with some even glowing in the dark! They live in just about every marine environment you can think of, from super-deep sea vents to vibra

Video of sea worms with "hook-like jaws" in a harbor in South Carolina is definitely a terrifying sight to see. The worms, known as clamworms, appear in the area every spring, and have jaws strong enough to tear through human skin. Credit: South Carolina Department of Natural Resources/Storyful Full article: https://www.newsweek.com/predatory-sea-worms-hook-like-jaws-swarm-south-carolina-coast-1586580 | Newsweek