| Number seen/Abundance | Date | Location | Comments | Species |
|---|---|---|---|---|
| 1 | 2004-06-07 | Off Helford estuary. |
Good clear sighting on surface close to boat. Breached clear of water several times. | Mola mola |
| P | 2004-07-30 | Hera Site of wreck of the HERA, Gull Rock E of Nare Head Cornwall, |
Patchy distribution on seabed around wreck,in troughs of gritty sand amongst dead shells | Phymatolithon calcareum |
| 1 | 2004-07-30 | Hera Site of wreck of the HERA, Gull Rock E of Nare Head Cornwall, |
Tubulanus annulatus | |
| 1 | 2004-07-30 | Hera Site of wreck of the HERA, Gull Rock E of Nare Head Cornwall, |
Astropecten irregularis | |
| Common, some v large | 2004-07-30 | Hera Site of wreck of the HERA, Gull Rock E of Nare Head Cornwall, |
Marthasterias glacialis | |
| C | 2004-07-30 | Hera Site of wreck of the HERA, Gull Rock E of Nare Head Cornwall, |
Common | Asterias rubens |
| 4 | 2004-07-30 | Hera Site of wreck of the HERA, Gull Rock E of Nare Head Cornwall, |
Maja squinado |