The images could look like this:
Zoo polychaeta Polychaetes are worms with many leg-like appendages or bristles, which can be well identified on the images.
Polychaetes are worms. Some worms live in the plankton their whole life, but there are also species that stay in the water column only during a certain lifestage and then migrate to the ocean floor. Many polychaetes are active predators and feed on smaller zooplankton. However, some species also feed on particles.