Glycera lapidum
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 14,425
Described in 1866
65 species
Trumpet worm
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 9,448
Lamarck's Christmas Tree Worm
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 8,023
Ophelia borealis
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 5,763
Glycinde nordmanni
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 4,323
Branching sponge
- Group
- Sponges
- Peak month
- September
- Records since 2000
- 2,544
Anobothrus gracilis
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 1,948
Syllidia armata
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 1,770
Heather Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,585
Biddulphia sinensis
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,445
Forget-me-not Shieldbug
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 1,117
Megaselia nigriceps
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,095
Phyllodoce longipes
- Group
- Worms (annelids)
- Peak month
- March
- Records since 2000
- 1,006
Euclymene lombricoides
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 968
Hymedesmia paupertas
- Group
- Sponges
- Peak month
- May
- Records since 2000
- 918
Anthomyia procellaris
- Group
- True flies
- Peak month
- July
- Records since 2000
- 903
Labidoplax buskii
- Group
- Starfish and sea urchins
- Peak month
- March
- Records since 2000
- 879
Thelepus setosus
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 778
Sosane sulcata
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 732
Mysta picta
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 699
Lysilla loveni
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 658
Trichobranchus glacialis
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 581
Oithona similis
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 555
Laonome kroyeri
- Group
- Worms (annelids)
- Peak month
- September
- Records since 2000
- 507
Scoparia basistrigalis
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 331
Apatania muliebris
- Group
- Caddisflies
- Peak month
- July
- Records since 2000
- 329
Homaxinella subdola
- Group
- Sponges
- Peak month
- September
- Records since 2000
- 283
Phorbas fictitius
- Group
- Sponges
- Peak month
- July
- Records since 2000
- 255
Ophlitaspongia papilla
- Group
- Sponges
- Peak month
- September
- Records since 2000
- 211
Coenosia infantula
- Group
- True flies
- Peak month
- May
- Records since 2000
- 198
Eteone picta
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 191
Hymedesmia jecusculum
- Group
- Sponges
- Peak month
- May
- Records since 2000
- 184
Chirosia histricina
- Group
- True flies
- Peak month
- July
- Records since 2000
- 182
Polydrusus pilosus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 181
Neoamphitrite affinis
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 177
Streblosoma bairdi
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 176
Fannia pallitibia
- Group
- True flies
- Peak month
- September
- Records since 2000
- 170
Prickly Stick-insect
- Group
- Other insects
- Peak month
- August
- Records since 2000
- 160
Myxilla fimbriata
- Group
- Sponges
- Peak month
- August
- Records since 2000
- 158
Terpios gelatinosus
- Group
- Sponges
- Peak month
- September
- Records since 2000
- 152
Haliclona fistulosa
- Group
- Sponges
- Peak month
- May
- Records since 2000
- 148
Chloriona glaucescens
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 130
Sponge
- Group
- Sponges
- Peak month
- August
- Records since 2000
- 129
Tenuiphantes cristatus
- Group
- Spiders
- Peak month
- September
- Records since 2000
- 128
Ulosa digitata
- Group
- Sponges
- Peak month
- May
- Records since 2000
- 126
Diphasia attenuata
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 125
Tamarix leafhopper
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 116
Thaumastoptera calceata
- Group
- True flies
- Peak month
- June
- Records since 2000
- 114
Pseudosuberites sulphureus
- Group
- Sponges
- Peak month
- July
- Records since 2000
- 107
Sphaerodoridium claparedii
- Group
- Worms (annelids)
- Peak month
- March
- Records since 2000
- 102
Paramunna bilobata
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 95
Hymeniacidon fallax
- Group
- Sponges
- Peak month
- August
- Records since 2000
- 87
Plocamionida ambigua
- Group
- Sponges
- Peak month
- July
- Records since 2000
- 86
Bembidion stephensii
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 83
Mycale macilenta
- Group
- Sponges
- Peak month
- April
- Records since 2000
- 82
Geophilus truncorum
- Group
- Centipedes
- Peak month
- April
- Records since 2000
- 76
Mycale subclavata
- Group
- Sponges
- Peak month
- July
- Records since 2000
- 72
Crossocerus distinguendus
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 70
Cordilura impudica
- Group
- True flies
- Peak month
- May
- Records since 2000
- 67
Yarrow pug
- Group
- Butterflies and moths
- Peak month
- July
- Records since 2000
- 65
Zelotes longipes
- Group
- Spiders
- Peak month
- July
- Records since 2000
- 62
Azelia zetterstedtii
- Group
- True flies
- Peak month
- July
- Records since 2000
- 61
Petta pusilla
- Group
- Worms (annelids)
- Peak month
- April
- Records since 2000
- 57
Neoamphitrite edwardsii
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 56
Socarnes filicornis
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 52