Thysanocardia procera
- Group
- Other invertebrates
- Peak month
- June
- Records since 2000
- 3,177
Described in 1875
35 species
Stenophylax sequax
- Group
- Caddisflies
- Peak month
- March
- Records since 2000
- 2,714
Amphora pediculus
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 2,661
Hairy-eyed Flower Fly
- Group
- True flies
- Peak month
- April
- Records since 2000
- 2,543
Cobweb weaver
- Group
- Spiders
- Peak month
- August
- Records since 2000
- 1,685
Smaller green leafhopper
- Group
- True bugs
- Peak month
- March
- Records since 2000
- 923
Polypedilum sordens
- Group
- True flies
- Peak month
- August
- Records since 2000
- 644
Red-tailed Shrike
- Group
- Birds
- Peak month
- July
- Records since 2000
- 558
Dyopedos monacanthus
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 487
Pachyrhinus lethierryi
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 434
Neomenia carinata
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 424
Haliplus heydeni
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 404
Hydroid
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 347
Northern rockling
- Group
- Fish
- Peak month
- February
- Records since 2000
- 338
Gyptis propinqua
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 242
Eusyllis lamelligera
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 230
Lindbergina aurovittata
- Group
- True bugs
- Peak month
- December
- Records since 2000
- 199
Tibellus maritimus
- Group
- Spiders
- Peak month
- July
- Records since 2000
- 184
Centromerita concinna
- Group
- Spiders
- Peak month
- October
- Records since 2000
- 167
Molgula occulta
- Group
- Sea squirts
- Peak month
- July
- Records since 2000
- 165
Gongylidiellum vivum
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 164
Apomatus similis
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 162
Eratigena duellica
- Group
- Spiders
- Peak month
- September
- Records since 2000
- 145
Pilophorus perplexus
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 142
Acompocoris alpinus
- Group
- True bugs
- Peak month
- March
- Records since 2000
- 130
Eurybregma nigrolineata
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 120
Campanulina pumila
- Group
- Jellyfish, corals and anemones
- Peak month
- September
- Records since 2000
- 117
Centromerus dilutus
- Group
- Spiders
- Peak month
- October
- Records since 2000
- 107
Donacochara speciosa
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 107
Eusyllis assimilis
- Group
- Worms (annelids)
- Peak month
- April
- Records since 2000
- 99
Cosmopterix pulchrimella
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 70
Metallus albipes
- Group
- Bees, wasps and ants
- Peak month
- October
- Records since 2000
- 68
Dolichopus strigipes
- Group
- True flies
- Peak month
- July
- Records since 2000
- 65
Norway Bullhead
- Group
- Fish
- Peak month
- February
- Records since 2000
- 60
Lonchaea scutellaris
- Group
- True flies
- Peak month
- July
- Records since 2000
- 51