| SEAWEED | Carbon-absorbing marine algae such as the kelp, carrageen, peacock's tail, rainbow wrack or laver used in marbling, anti-ageing cream, fertiliser or Welsh cookery (7) |
| SPONGE | Absorbing marine life? (6) |
| SPRINKLED | Scattered rinds in the kelp to ferment it (9) |
| SEALETTUCE | Edible algae such as green laver or nori; a foraged food with a plentiful supply along the UK's coastline (3,7) |
| ROD | Serling or Laver |
| NETMAN | Lendl or Laver |
| ALGA | Latin name for a photosynthetic marine plant or "weed", such as carrageen, dulse, kelp or tangle (4) |
| SEAWEEDS | Multicellular marine algae that grows on the seashore, in salt marshes, in brackish water, or in the ocean (8) |
| EYESPOT | Type of marking on a peacock's tail feather or on the wing of a butterfly such as gatekeeper, meadow brown, speckled wood or cabbage white (7) |
| EYES | Markings on a peacock's tail feathers; holes in needles; or, the calm regions at the centre of hurricanes or storms (4) |
| IRISHMOSS | *Marine algae also called carrageen |
| ARGUS | From Greek for "bright", Io's guardian whose 100 eyes were transferred to the peacock's tail and name was given to a guard, watchman/woman or other keen-sighted vigilant person (5) |
| FANS | Shapes of peacocks' tails during courtship displays; or, baskets once used for winnowing grain (4) |
| MARBLING | Using pigments and carrageen moss as a stabiliser, a method of patterning paper which is traditionally used in bookbinding for endpapers (8) |
| IRISH | It's self-contradictory that such moss should be carrageen (5) |
| DISINTEGRATE | Go to wrack and ruin as detectives unite (12) |
| KILP | Wrack with pain, primarily masking the end of murder |
| WARWICKSHIRE | Irish wrack we removed from part of the Midlands! (12) |
| KELP | Brown seaweed or wrack, often forming underwater forests (4) |
| VARECH | Running over beaches causes obese such wrack! |
