Norway Pout
- Group
- Fish
- Peak month
- February
- Records since 2000
- 75,589
Described in 1855
42 species
Tubificoides benedii
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 6,020
Gnathia oxyuraea
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 2,291
Coral Worm
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 2,048
Paroligolophus agrestis
- Group
- Mites, harvestmen and other arachnids
- Peak month
- September
- Records since 2000
- 1,522
Amphicteis midas
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 867
Bathyporeia pilosa
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 814
Common Thorn Midget
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 662
Red-crusted Pea Mussel
- Group
- Molluscs
- Peak month
- December
- Records since 2000
- 523
Euceraphis betulae
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 450
Euglesa subtruncata
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 445
Aloconota cambrica
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 440
Lesser Pipefish
- Group
- Fish
- Peak month
- September
- Records since 2000
- 438
Niphargus aquilex
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 429
Arion vulgaris
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 425
Zygina lunaris
- Group
- True bugs
- Peak month
- January
- Records since 2000
- 313
Haplosyllis spongicola
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 256
Clymenella torquata
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 206
Lathys humilis
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 169
Zygina nivea
- Group
- True bugs
- Peak month
- November
- Records since 2000
- 146
A hydroid
- Group
- Jellyfish, corals and anemones
- Peak month
- June
- Records since 2000
- 143
Viridicerus ustulatus
- Group
- True bugs
- Peak month
- February
- Records since 2000
- 142
Dorvillea rubrovittata
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 137
Diastylis tumida
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 132
Bowerbankia gracilis
- Group
- Bryozoans
- Peak month
- September
- Records since 2000
- 131
Phyllonorycter sorbi
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 131
Zaphne caudata
- Group
- True flies
- Peak month
- June
- Records since 2000
- 119
Euzetes globulus
- Group
- Mites, harvestmen and other arachnids
- Peak month
- March
- Records since 2000
- 117
Achnanthidium lineare
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 114
Phyllonorycter cerasicolella
- Group
- Butterflies and moths
- Peak month
- October
- Records since 2000
- 112
Cyphon palustris
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 94
Pisidium subtruncatum
- Group
- Molluscs
- Peak month
- March
- Records since 2000
- 90
Corynoptera flavicauda
- Group
- True flies
- Peak month
- May
- Records since 2000
- 87
Ophiura sarsii
- Group
- Starfish and sea urchins
- Peak month
- September
- Records since 2000
- 81
Campylaspis rubicunda
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 77
Scoparia ancipitella
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 77
Crowned Cormorant
- Group
- Birds
- Peak month
- October
- Records since 2000
- 74
Macrosiphum gei
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 69
Barylypa propugnator
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 68
Contacyphon palustris
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 67
Coleophora taeniipennella
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 54
Eastern bonelli’s warbler
- Group
- Birds
- Peak month
- May
- Records since 2000
- 50