Common Atlantic Ribbon Worm (Tubulanus polymorphus)
Family: Tubulanus Family (Tubulanidae)
IUCN Conservation Status: Unassessed
Like other ribbon worms, this brightly coloured marine worm has a relatively long but extremely thin unsegmented body, and is an active predator; after locating prey using a set of chemical-sensing pits on its head it extends a sticky, flexible, tube-like appendage known as a proboscis (although unlike the proboscises of some insects this structure is separate from their digestive system) from just above its mouth, ensnaring prey and injecting it with paralysing venom. After prey (mainly smaller marine invertebrates, especially other worms) has been subdued the proboscis either passes it into a simple mouth or, if its too large to be swallowed whole, secretes fluids that break food down externally to accommodate for the worm's lack of an ability to chew.
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