This marine worm is called the Sand Striker

What are 'Sand strikers,' also known as 'bobbit worms?' - Quora

Horrible natural histories - the bobbit worm - DIVE Magazine

Alligators in the Abyss

A Worm (and Nerdy) Conquest of the Deep

Man pulls 3ft bobbit worm from the sand after using hook to grab it from the depths

Horrifying 10-foot 'sand striker' chops up victims with retractable razor-jaws – and uses 'toxic lunge' from hidden lair

Sand Striker (Eunice aphroditois) · iNaturalist

More annelid than anaconda

china – Southern Fried Science

china – Southern Fried Science

Photoshop Battles with this Image of a Hydrothermal Vent Polychaete Worm

Breaching instruments: The BEST of BAD ocean photoshop