|The sea potato is a heart shaped sea urchin, which likes to bury itself in sand.|
|A sea anemone, picked up by the hamon grab, tentacles |
withdrawn now that it is out of water.
|A sea anemone underwater, with tentacles extended to catch passing food in the water column|
|A sand mason worm (Lanice conchilega) a species of burrowing worm which |
builds tubes consisting of sand grains and shell fragments.