| Number seen/Abundance | Date | Location | Comments | Species |
|---|---|---|---|---|
| C | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Common, starting to dominate in rockpools on chalk bedrock in middle/upper zone. | Sargassum muticum |
| A | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Abundant, dominates tops of chalk ridges in middle zone. | Fucus serratus |
| C | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Common | Fucus vesiculosus |
| A | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Abundant | Chondrus crispus |
| 1 | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Actinia fragacea | |
| 1 | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Relatively small (ca. 5 cm). | Anemonia viridis |
| F | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Frequent, present at all levels of the shore. | Crepidula fornicata |
| R | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Rare, mid shore | Gibbula umbilicalis |
| A | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Abundant in mid shore | Littorina littorea |
| O | 2005-06-27 | Saltdean, east of Brighton, East Sussex |
Occasional | Mytilus edulis |
| A | 2005-06-14 | Birling Gap, near Eastbourne, East Sussex |
Abundant, completely dominating rock pool on chalk platform near the top of the shore. | Sargassum muticum |