Diplocirrus glaucus
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 8,807
Described in 1867
45 species
Chaetozone setosa
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 7,513
Bradysia placida
- Group
- True flies
- Peak month
- March
- Records since 2000
- 2,873
Eusyllis blomstrandi
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 2,636
Ampharete lindstroemi
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 2,522
Malmgrenia ljungmani
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 1,660
Paranaitis kosteriensis
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 1,521
Nereis zonata
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 1,415
Chone duneri
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 1,411
Coral Maërl
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,143
Corynoptera forcipata
- Group
- True flies
- Peak month
- May
- Records since 2000
- 1,096
Microprotopus maculatus
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 1,083
Corynoptera trepida
- Group
- True flies
- Peak month
- February
- Records since 2000
- 805
Metopina oligoneura
- Group
- True flies
- Peak month
- August
- Records since 2000
- 749
Myriochele heeri
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 733
Unciola planipes
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 645
Iphinoe serrata
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 537
Risso's Crab
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 477
Neolagenipora collaris
- Group
- Bryozoans
- Peak month
- August
- Records since 2000
- 378
Empis aestiva
- Group
- True flies
- Peak month
- June
- Records since 2000
- 298
Agabus unguicularis
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 296
Jeffrey's Goby
- Group
- Fish
- Peak month
- March
- Records since 2000
- 238
Cratyna nobilis
- Group
- True flies
- Peak month
- May
- Records since 2000
- 166
Ceratocephale loveni
- Group
- Worms (annelids)
- Peak month
- October
- Records since 2000
- 163
Chaetoparia nilssoni
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 162
Clubiona subtilis
- Group
- Spiders
- Peak month
- July
- Records since 2000
- 154
Rugilus erichsonii
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 145
Cratyna vagabunda
- Group
- True flies
- Peak month
- June
- Records since 2000
- 138
Epigamia alexandri
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 133
Corynoptera blanda
- Group
- True flies
- Peak month
- July
- Records since 2000
- 117
Empis caudatula
- Group
- True flies
- Peak month
- May
- Records since 2000
- 110
Leptosciarella rejecta
- Group
- True flies
- Peak month
- May
- Records since 2000
- 108
Pseudolycoriella bruckii
- Group
- True flies
- Peak month
- June
- Records since 2000
- 90
Isodontia mexicana
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 87
Tritia nitida
- Group
- Molluscs
- Peak month
- April
- Records since 2000
- 75
Trichosia splendens
- Group
- True flies
- Peak month
- June
- Records since 2000
- 74
Phloeonomus punctipennis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 71
Bigeye Rockling, Rockling
- Group
- Fish
- Peak month
- November
- Records since 2000
- 67
Leptosciarella viatica
- Group
- True flies
- Peak month
- March
- Records since 2000
- 67
Lycoriella conspicua
- Group
- True flies
- Peak month
- May
- Records since 2000
- 66
Schizomavella cornuta
- Group
- Bryozoans
- Peak month
- September
- Records since 2000
- 62
Sunius propinquus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 60
Aclis walleri
- Group
- Molluscs
- Peak month
- March
- Records since 2000
- 53
Bradysia fungicola
- Group
- True flies
- Peak month
- May
- Records since 2000
- 53
Bradysia strenua
- Group
- True flies
- Peak month
- August
- Records since 2000
- 50