Scotch Argus
- Group
- Butterflies and moths
- Peak month
- August
- Records since 2000
- 11,982
Described in 1777
77 species
Oval venus
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 7,943
Transparent Razor
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 7,406
Laver Spire Snail
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 5,079
Cylinder Shell
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 4,867
Rosy Feather-star
- Group
- Starfish and sea urchins
- Peak month
- September
- Records since 2000
- 4,848
Mink
- Group
- Mammals
- Peak month
- September
- Records since 2000
- 4,610
Daisy Anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- June
- Records since 2000
- 4,532
Sand Star
- Group
- Starfish and sea urchins
- Peak month
- September
- Records since 2000
- 4,439
Bloody Henry Starfish
- Group
- Starfish and sea urchins
- Peak month
- June
- Records since 2000
- 3,630
Sea Potato
- Group
- Starfish and sea urchins
- Peak month
- June
- Records since 2000
- 3,598
Masked Crab
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 3,495
Banded carpet shell
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 3,253
Adonis' Ladybird
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 3,020
Common Prawn
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 2,854
Dark-footed harp ground beetle
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 2,462
Hygrotus inaequalis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 2,372
Starlet
- Group
- Starfish and sea urchins
- Peak month
- September
- Records since 2000
- 1,995
Scorpion Spider Crab
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 1,747
Broad-clawed Porcelain Crab
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 1,619
Undulated False Lucine
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 1,567
Nalassus laevioctostriatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,181
Narrow-bordered Five-spot Burnet
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 1,113
Clover weevil
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 1,107
Pennant's nut crab
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 1,026
Blunt tellin
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 1,024
Goose Foot Starfish
- Group
- Starfish and sea urchins
- Peak month
- March
- Records since 2000
- 870
Iris Flea Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 870
Cantharis pallida
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 860
Red-flanked Scymnus
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 800
Diaea dorsata
- Group
- Spiders
- Peak month
- December
- Records since 2000
- 765
Lejogaster metallina
- Group
- True flies
- Peak month
- June
- Records since 2000
- 745
Minor Shoulder-knot
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 608
Common small pot beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 606
Microlestes minutulus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 574
Yellow pot beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 570
Loosestrife Weevil
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 566
Cymatia coleoptrata
- Group
- True bugs
- Peak month
- October
- Records since 2000
- 516
Bristly mail chiton
- Group
- Molluscs
- Peak month
- August
- Records since 2000
- 515
Gem anemone
- Group
- Jellyfish, corals and anemones
- Peak month
- September
- Records since 2000
- 508
Two-coloured brown click beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 505
Lesteva longoelytrata
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 484
Phytocoris tiliae
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 400
Simnia patula
- Group
- Molluscs
- Peak month
- July
- Records since 2000
- 390
Rocellaria dubia
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 360
Gari depressa
- Group
- Molluscs
- Peak month
- July
- Records since 2000
- 345
Black-footed limpet
- Group
- Molluscs
- Peak month
- October
- Records since 2000
- 340
Eurynome aspera
- Group
- Crustaceans
- Peak month
- March
- Records since 2000
- 336
Wild Cat
- Group
- Mammals
- Peak month
- January
- Records since 2000
- 316
Typhlocyba quercus
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 267
Portumnus latipes
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 249
Ptomaphagus subvillosus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 248
Liparus coronatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 199
Hilara maura
- Group
- True flies
- Peak month
- May
- Records since 2000
- 196
Limnobaris dolorosa
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 196
Mangelia costata
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 191
Platynaspis luteorubra
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 186
Othius punctulatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 160
Mycetophagus piceus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 151
Fan mussel
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 149
Liocarcinus corrugatus
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 129
Cathormiocerus spinosus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 128
Mogulones geographicus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 127
Otiorhynchus rugosostriatus
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 126
Lordithon thoracicus
- Group
- Beetles
- Peak month
- August
- Records since 2000
- 119
Omophron limbatum
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 111
Aleochara curtula
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 106
A water beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 105
Barnea parva
- Group
- Molluscs
- Peak month
- March
- Records since 2000
- 105
Omonadus formicarius
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 86
Anemonia sulcata
- Group
- Jellyfish, corals and anemones
- Peak month
- July
- Records since 2000
- 81
Bembidion octomaculatum
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 78
Deraeocoris olivaceus
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 68
Triphyllus bicolor
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 63
Orthocephalus coriaceus
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 61
Glischrochilus quadriguttatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 60
Otiorhynchus raucus
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 60