| NUDIBRANCH | Marine gastropod also called a sea slug |
| ABALONE | Edible marine gastropod, also called "ear shell" |
| UGLY | Not a bit nice looking, like a sea slug, Lynn (4) |
| ORMER | Edible marine gastropod mollusc, also called a sea-ear (5) |
| MANATEE | Florida marine mammal also called a "sea cow" |
| DUGONG | Marine mammal also called a sea cow (6) |
| DRAGONFISH | Little ____, marine creature, also called a sea moth, encased in bony rings found in Indo-Pacific waters (10) |
| PUFFIN | Bird also called a "sea parrot" |
| BALUGA | Whale also called a sea canary, due to its highpitched call (6) |
| BECHEDEMER | The trepang or "sea slug", a delicacy in oriental cuisine |
| TERN | Bird sometimes called a sea swallow |
| OSPREY | Fish-eating bird of prey sometimes called a sea hawk (6) |
| ERNE | Large white- tailed bird commonly called a sea eagle (4) |
| BLUEDRAGON | Common name for a colourful sea-slug which, though common in the Atlantic Ocean, was spotted for the first time in centuries in the waters around Mallorca earlier this year (4-6) |
| TREPANG | Sea-slug |
| SEAEAR | Edible marine gastropod mollusc also called an ormer (3-3) |
| SEASNAIL | A marine gastropod or a fish related to the lumpsucker (3,5) |
| COWRIE | A marine gastropod mollusc of the family Cypraeidae, with a glossy brightly-marked shell with an elongated opening |
| LIMPET | Marine gastropod with a conical shell which clings to rocks (6) |
| TRITON | Marine gastropod with a conch-like shell (6) |
