Alitta succinea
This worm can reach up to 15 centimeters (6 inches) in length.  Most specimens are smaller than this. It is brown coloured at the rear, and reddish-brown on the rest of its body. It has a head with four eyes, two sensory feelers or palps, and eight tentacles. It is a freeswimming polychaete, scavenging on the bottom of shallow marine waters.