Lurking under a rock in Brittle Star Alley.
Low intertidal / shallow sub tidal zone.
Not sure if this is even a Polychaete?
from benthic grab
Another type of flatworm lurking in the low intertidal zone under a rock.
Nemertea is a phylum of invertebrate animals also known as "ribbon worms" or "proboscis worms". Alternative names for the phylum have included Nemertini, Nemertinea and Rhynchocoela. Although most are less than 20 centimetres (7.9 in) long, one specimen has been estimated at 54 metres (177 ft), which would make it the longest animal ever found. Most are very slim, usually only a few millimeters wide, although a few have relatively short but wide bodies. Many have patterns of...