Urothoe elegans
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 6,137
Described in 1857
53 species
Ampelisca typica
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 3,168
Apherusa bispinosa
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 2,431
Bathyporeia guilliamsoniana
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 2,395
Urothoe marina
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 2,097
Stenothoe marina
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 1,682
Hippomedon denticulatus
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 1,665
Centraloecetes kroyeranus
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 1,278
Westwoodilla caecula
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 1,278
Sand digger shrimp
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 1,187
Lime nail gall, Bugle gall
- Group
- Mites, harvestmen and other arachnids
- Peak month
- May
- Records since 2000
- 1,068
An erect bryozoan
- Group
- Bryozoans
- Peak month
- July
- Records since 2000
- 989
Ericthonius punctatus
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 976
Aora gracilis
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 961
Cattail bug
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 565
Potamophylax rotundipennis
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 525
Leptometra celtica
- Group
- Starfish and sea urchins
- Peak month
- July
- Records since 2000
- 511
Kroyera carinata
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 510
Leucothoe procera
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 444
Obtusella intersecta
- Group
- Molluscs
- Peak month
- July
- Records since 2000
- 387
Western Sandpiper
- Group
- Birds
- Peak month
- July
- Records since 2000
- 377
Laomedea flexuosa
- Group
- Jellyfish, corals and anemones
- Peak month
- May
- Records since 2000
- 374
Ziminella simplex
- Group
- True flies
- Peak month
- July
- Records since 2000
- 338
Microdeutopus versiculatus
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 288
Metaphoxus simplex
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 279
Cressa dubia
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 265
Liljeborgia pallida
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 258
Dyopedos porrectus
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 210
Ditrichocorycaeus anglicus
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 195
Proteroiulus fuscus
- Group
- Millipedes
- Peak month
- May
- Records since 2000
- 193
Neuroterus saliens
- Group
- Bees, wasps and ants
- Peak month
- October
- Records since 2000
- 187
Northern krill
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 184
Limnophora tigrina
- Group
- True flies
- Peak month
- July
- Records since 2000
- 147
Perrierella audouiniana
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 140
Muirodelphax aubei
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 113
Labidocera wollastoni
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 105
Eriophyes pyri
- Group
- Mites, harvestmen and other arachnids
- Peak month
- June
- Records since 2000
- 99
Lembos websteri
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 99
Hercostomus plagiatus
- Group
- True flies
- Peak month
- July
- Records since 2000
- 94
Little shearwater
- Group
- Birds
- Peak month
- October
- Records since 2000
- 92
Ctenodrilus serratus
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 89
Iphimedia eblanae
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 79
Tryblionella apiculata
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 77
Lathrobium geminum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 75
Muellerianella fairmairei
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 75
Alcyonidium albidum
- Group
- Bryozoans
- Peak month
- August
- Records since 2000
- 64
Sertularella tenella
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 64
Rhaphium auctum
- Group
- True flies
- Peak month
- June
- Records since 2000
- 62
Psammotettix maritimus
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 60
Tachysphex obscuripennis
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 60
Eurysa lineata
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 59
Porcellionides cingendus
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 58
Bledius spectabilis
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 53