There are Errant Polychaetes and Sedentary Polychaetes. This is a Sedentary Polychaeta (about 2 mm high). Somebody knows the genus?
Objective 4x
The sedentary polychaetes are not in the Plankton, but in the Benthos.
Hello Jack,
my methods are very simple: With an iron pot which is on a telecopic stick I scrab the wall of the habour off.
Thank you four your interst in my nice animals!