| BLENNY | Small fish of coastal waters |
| EBBTIDES | Moon-driven retreats of coastal waters from shores, thus metaphorical periods of waning power, on a declining downward course (3-5) |
| MANATEE | Herbivore of coastal waters |
| FIRTH | In Scotland, an area of coastal waters, e.g. Cromarty or Solway (5) |
| WHELK | Carnivorous marine gastropod mollusc of coastal waters, with a strong snail-like shell (5) |
| STICKLEBACK | Small fish of the family Gasterosteidae of rivers and coastal regions that has a series of spines along its back (11) |
| RIVER | First word of the name for a group of six species of primarily freshwater dolphins of south-central Asia, China, and South America and in the coastal waters of Brazil, Argentina, and Uruguay. (5) |
| SMELT | Small fish of salmon species |
| BRISLING | Small fish of the herring family (8) |
| CAPELIN | A small fish of the smelt family (7) |
| PILCHARD | Small fish of the herring family |
| CHARR | A small fish of the salmon kind (5) |
| BONITO | Small fish of the striped tunny kind (6) |
| SPRAT | Small fish of the herring family (5) |
| TROUTLET | Small fish of the salmon genus (8) |
| ANCHOVY | Small fish of the herring family (7) |
| WHITING | Small fish of the cod family (7) |
| GUPPY | Small fish of northern South America and the Caribbean (5) |
| CHAR | Small fish of salmon family - in loch, a rarity! (4) |
| BUMMALO | A small fish of southern Asian coasts, dried and used as food (7) |
