| DUGONG | Medium-sized marine mammal occurring in shallow tropical waters (6) |
| SEABREAM | A deep-bodied, medium-sized marine fish whose meaty flesh is valued as food (3,5) |
| SEAURCHIN | An echinoderm with a globular body enclosed in a rigid spiny test, occurring in shallow marine waters (3,6) |
| AZOLLA | Genus of fern growing in tropical waters (6) |
| WRASSE | A beautiful often brightly coloured percoid fish of coral reefs or tropical waters, yet its name, from Cornish or Welsh, means "old woman" or "hag" (6) |
| OYSTER | Any marine bivalve mollusc of the order Ostreida, common in shallow coastal waters (6) |
| SHOALS | Great numbers of fish in shallow waters (6) |
| CONGER | A large predatory edible eel found in shallow coastal waters (6) |
| WADERS | Long-legged birds adapted for wading in shallow water (6) |
| PADDLE | Wade in shallow water and use oar (6) |
| LAGOON | Left a stupid person in shallow lake (6) |
| SAUCER | Meat accompaniment right in shallow dish (6) |
| PALATE | Sense of taste of article in shallow dish (6) |
| SCRAPE | Term for e.g. curlew's nest dug in shallow ground (6) |
| OLIVERIDLEY | _ _ sea turtle, found in tropical waters and known for its heart-shaped shell (5,6) |
| BARRACUDA | Long thin predatory fish found in tropical waters (9) |
| MANATEE | Whale-like mammal of tropical waters, with a broad, flat tail (7) |
| CROWNOFTHORNS | Large spiky starfish of tropical waters, that damages coral reefs (5,2,6) |
| ALLIGATOR | Pear found in tropical waters (9) |
| WADING | Walking in shallow water (6) |
