| ISOPODA | Order of chiefly aquatic crustaceans that includes the gribble and the woodlouse (7) |
| DAPHNIA | Small aquatic crustaceans, commonly called water fleas (7) |
| EMERITA | Genus of crustaceans that includes the mole crab (7) |
| WATERFLEA | Common name for any of numerous minute aquatic crustaceans (5,4) |
| ISOPOD | Member of an order of crustaceans that includes the woodlice and sea slaters (6) |
| DECAPODS | Order of ten-legged mostly marine crustaceans that includes the shrimps, crabs, lobsters and crayfish (8) |
| COSSACK | Any of the free warriorpeasants of chiefly east Slavonic descent who lived in communes and served as cavalry under the tsars (7) |
| RUELLIA | Genus of chiefly tropical American herbs and shrubs (7) |
| SHRIMPS | Small crustaceans that turn pink when cooked (7) |
| PELLAEA | Genus of chiefly small rock-loving ferns. |
| HERMITC | Small soft-bodied crustacean that lives in and carries about the empty shells of whelks |
| PILLBUG | Woodlouse irritated pig and bull (4,3) |
| ONISCUS | Woodlouse genus which is an anagram of COUSINS |
| HOWEVER | Yet fly eats woodlouse hollow (7) |
| LOBSTER | Crustacean that can taste with its feet |
| DATURA | Genus of chiefly Indian plants which includes the moonflower of Mexico (6) |
| BARNACLES | Crustaceans that adhere to rocks or ships' bottoms, highly prized in the cuisine of the Spanish region of Galicia these creatures, known as percebes, have feast days in their honour in several parts o |
| KRILL | Marine crustaceans that are near the bottom of the food chain (5) |
| ESCHERICHIA | Genus of chiefly intestinal bacteria of the family Enterobacteriaceae whose name is abbreviated in E. coli (11) |
| HAMMERHEAD | Shark of chiefly warm waters with flattened extensions on either side of the head |
