�y��vlog

Following their successful collection, the team used the specimens to conduct anatomical analysis and to study the worm's DNA to establish its evolutionary relationships within the ragworm family.

Many species of ragworm also have two distinct life stages: atoke and epitoke.

The marine ragworm Platynereis dumerilii uses one such InvC-opsin in simple ciliary photoreceptors in the brains of their larvae, possibly for sensing ambient light levels.

Signature video Eating Huge Ragworm, in which Louis tries to eat three vicious ragworms and they try to eat him back, biting him as he stuffs them into his mouth.

The brain of the ragworm Platynereis dunerlii, a protostome, was found to contain C-opsins.