Leptosynapta bergensis
- Group
- Starfish and sea urchins
- Peak month
- June
- Records since 2000
- 1,428
Described in 1905
21 species
Urothoe poseidonis
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 867
Eirene ceylonensis
- Group
- Jellyfish, corals and anemones
- Peak month
- August
- Records since 2000
- 540
Tanytarsus dissimilis
- Group
- True flies
- Peak month
- September
- Records since 2000
- 499
Aceria pseudoplatani
- Group
- Mites, harvestmen and other arachnids
- Peak month
- August
- Records since 2000
- 416
Leptosynapta decaria
- Group
- Starfish and sea urchins
- Peak month
- March
- Records since 2000
- 240
A burrowing sea cucumber
- Group
- Starfish and sea urchins
- Peak month
- June
- Records since 2000
- 236
Pteroxanium kelloggi
- Group
- Other insects
- Peak month
- September
- Records since 2000
- 169
Araniella opisthographa
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 164
Heterarthrus wuestneii
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 147
Paraphaenocladius exagitans
- Group
- True flies
- Peak month
- April
- Records since 2000
- 104
Rhabdiopteryx acuminata
- Group
- Stoneflies
- Peak month
- March
- Records since 2000
- 98
Natatolana gallica
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 77
Ctenolepisma longicaudatum
- Group
- Other insects
- Peak month
- January
- Records since 2000
- 73
Jassa marmorata
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 70
Artedidraco mirus
- Group
- Fish
- Peak month
- June
- Records since 2000
- 68
Eurydice affinis
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 64
Nannastacus brevicaudatus
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 56
Coscinodiscus granii
- Group
- Seaweeds and algae
- Peak month
- May
- Records since 2000
- 55
Anteon cameroni
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 54
Polymerus palustris
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 54