It lives between rocks and seabed and is considered useful because it feeds on decaying substances, dead fish and other debris.
Below is a photo where the worm is feeding on a dead star.
It becomes dangerous only if it multiplies quickly forming colonies that are too large.
Below is a video recorded with the microscope where you can see the stinging bristles (always use gloves when you put your hands in the tank).
Please follow and like us: