| SEAPIG | Another name for a porpoise or dolphin |
| SEAHOG | Alternative name for a porpoise (6) |
| CETACEAN | An aquatic placental mammal such as a dolphin, porpoise or whale (8) |
| POD | A pea case; a pepper; a purse- net; a pack of porpoises; or, a paunch (3) |
| GAMS | Word for herds, pods or schools of dolphins, porpoises or whales; social visits, originally between whalers at sea; flocks of large sea birds; women's legs; or, in the Scots language, mouths, teeth or |
| DOLPHIN | Marine cetacean mammal that is smaller than a whale and larger than a porpoise |
| FROLICKED | Played like a porpoise |
| ICHTHYOSAUR | Extinct marine Mesozoic reptile which had a porpoise-like body (11) |
| FIN | Part of a porpoise |
| FLIPPER | Flat limb of an aquatic animal such as a seal, turtle or dolphin; or, a lever in a pinball machine (7) |
| DORSAL | Fin located on the back of a fish, whale or dolphin |
| PRO | Ray or Dolphin, for short |
| SCHOOL | Collective name for a group of porpoise, sharks or whales (6) |
| LARKSPUR | Plant in the Delphinium genus with spires of flowers bearing spiked or dolphin-shaped sepals and, according to myth, petals inscribed with the letters "AI AI", said to be the doleful cry of Apollo for |
| PODS | Social groups of whales or dolphins; or. the cases of peas or vanilla seeds (4) |
| MARINEMAMMAL | Whale or dolphin |
| GRAMPUS | Weight put on Manx cat or dolphin |
| BOTTLENOSE | One lost bet (anag) - kind of whale or dolphin (10) |
| ECOLABEL | "Non-G.M.O." or "Dolphin-safe" |
| BLOWHOLE | Nostril of whale or dolphin on the top of its head (8) |
