| Answer | Crossword Clue |
|---|---|
| EELS | Mud, sand and cusk |
| MASONS | Solitary bees which build mud and sand nests. |
| echiuroid | any wormlike invertebrate of the phylum Echiuroidea, found in sand and mud of tropical and subtropical seas, having at the mouth a ciliated, often elongated prostomium |
| sandpump | a pump for sand or mud |
| sandpumps | SANDPUMP, a pump for sand or mud |
