Pseudopolydora pulchra
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 3,190
Described in 1893
25 species
Durham slug
- Group
- Molluscs
- Peak month
- September
- Records since 2000
- 3,032
Pneumia trivialis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,219
Apolochus neapolitanus
- Group
- Crustaceans
- Peak month
- July
- Records since 2000
- 1,212
Eccentric Grass Snail
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 703
Cirratulus caudatus
- Group
- Worms (annelids)
- Peak month
- May
- Records since 2000
- 559
Fannia rondanii
- Group
- True flies
- Peak month
- July
- Records since 2000
- 489
Pneumia gracilis
- Group
- True flies
- Peak month
- May
- Records since 2000
- 400
Tryphosella sarsi
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 339
Psychoda erminea
- Group
- True flies
- Peak month
- August
- Records since 2000
- 303
Oxyethira falcata
- Group
- Caddisflies
- Peak month
- August
- Records since 2000
- 277
Calamoncosis minima
- Group
- True flies
- Peak month
- June
- Records since 2000
- 226
Phaeocystis pouchetii
- Group
- Microorganisms and protists
- Peak month
- May
- Records since 2000
- 198
Peltocoxa brevirostris
- Group
- Crustaceans
- Peak month
- May
- Records since 2000
- 189
Clogmia albipunctatus
- Group
- True flies
- Peak month
- August
- Records since 2000
- 182
Mediterranean Grenadier
- Group
- Fish
- Peak month
- September
- Records since 2000
- 125
South Polar Skua
- Group
- Birds
- Peak month
- October
- Records since 2000
- 110
Pleuromamma robusta
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 82
Exallonyx quadriceps
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 65
Seoda ambigua
- Group
- True flies
- Peak month
- June
- Records since 2000
- 62
Telenomus flavipes
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 60
Procerastea halleziana
- Group
- Worms (annelids)
- Peak month
- July
- Records since 2000
- 54
Acalitus longisetosus
- Group
- Mites, harvestmen and other arachnids
- Peak month
- June
- Records since 2000
- 52
Cecidophyopsis psilaspis
- Group
- Mites, harvestmen and other arachnids
- Peak month
- April
- Records since 2000
- 51
Trichiusa robustula
- Group
- Beetles
- Peak month
- September
- Records since 2000
- 50