Prionospio cirrifera
- Group
- Worms (annelids)
- Peak month
- August
- Records since 2000
- 4,321
Described in 1883
26 species
Dipolydora quadrilobata
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 1,269
Tipula confusa
- Group
- True flies
- Peak month
- September
- Records since 2000
- 1,096
Dicyphus epilobii
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 677
Manayunkia aestuarina
- Group
- Worms (annelids)
- Peak month
- March
- Records since 2000
- 674
Baker's yeast
- Group
- Fungi
- Peak month
- August
- Records since 2000
- 540
Metriocnemus eurynotus
- Group
- True flies
- Peak month
- December
- Records since 2000
- 486
Astacilla dilatata
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 466
Iphimedia minuta
- Group
- Crustaceans
- Peak month
- September
- Records since 2000
- 437
Pontania bridgmanii
- Group
- Bees, wasps and ants
- Peak month
- June
- Records since 2000
- 390
Dinophysis tripos
- Group
- Microorganisms and protists
- Peak month
- August
- Records since 2000
- 336
Orthotylus marginalis
- Group
- True bugs
- Peak month
- June
- Records since 2000
- 327
Ampelisca gibba
- Group
- Crustaceans
- Peak month
- April
- Records since 2000
- 160
Heterocapsa triquetra
- Group
- Microorganisms and protists
- Peak month
- July
- Records since 2000
- 139
Pleurogonium inerme
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 108
Psallus falleni
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 103
Stenopleustes nodifer
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 98
Didemnum coriaceum
- Group
- Sea squirts
- Peak month
- September
- Records since 2000
- 97
Dorytomus dejeani
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 81
Cape Verde Shearwater
- Group
- Birds
- Peak month
- October
- Records since 2000
- 74
Stenopleustes nodifera
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 64
Metopa borealis
- Group
- Crustaceans
- Peak month
- August
- Records since 2000
- 63
Parapleustes assimilis
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 58
Allomelita pellucida
- Group
- Crustaceans
- Peak month
- December
- Records since 2000
- 55
Metopa rubrovittata
- Group
- Crustaceans
- Peak month
- June
- Records since 2000
- 55
Spermothamnion strictum
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 52