Red Ribbon Worm
- Peak month
- June
- Records since 2000
- 5,974
- Scientific name
- Tubulanus polymorphus
Arctic comb jelly
- Peak month
- August
- Records since 2000
- 5,940
- Scientific name
- Mertensia ovum
New-Zealand barnacle, Australasian barnacle
- Peak month
- September
- Records since 2000
- 5,911
- Scientific name
- Austrominius modestus
Peanut worm
- Peak month
- August
- Records since 2000
- 5,102
- Scientific name
- Phascolion strombus
Sea Gooseberry
- Peak month
- June
- Records since 2000
- 5,049
- Scientific name
- Pleurobrachia pileus
Sea spider
- Peak month
- July
- Records since 2000
- 3,655
- Scientific name
- Anoplodactylus petiolatus
Golfingia elongata
- Peak month
- August
- Records since 2000
- 3,613
- Group
- Other invertebrates
Nephasoma minutum
- Peak month
- August
- Records since 2000
- 3,360
- Group
- Other invertebrates
Thysanocardia procera
- Peak month
- June
- Records since 2000
- 3,177
- Group
- Other invertebrates
Achelia echinata
- Peak month
- May
- Records since 2000
- 2,970
- Group
- Other invertebrates
Common elongated phoronid
- Peak month
- September
- Records since 2000
- 2,659
- Scientific name
- Phoronis muelleri
Golfingia vulgaris
- Peak month
- April
- Records since 2000
- 2,595
- Group
- Other invertebrates
Elegant sea spider
- Peak month
- June
- Records since 2000
- 2,154
- Scientific name
- Nymphon brevirostre
Priapulid worm
- Peak month
- July
- Records since 2000
- 1,576
- Scientific name
- Priapulus caudatus
Callipallene brevirostris
- Peak month
- August
- Records since 2000
- 801
- Group
- Other invertebrates
Bootlace Worm
- Peak month
- June
- Records since 2000
- 772
- Scientific name
- Lineus longissimus
Caecosagitta macrocephala
- Peak month
- August
- Records since 2000
- 540
- Group
- Other invertebrates
Colossendeis glacialis
- Peak month
- August
- Records since 2000
- 540
- Group
- Other invertebrates
Phoronid
- Peak month
- August
- Records since 2000
- 510
- Scientific name
- Phoronis hippocrepia
Novocrania anomala
- Peak month
- August
- Records since 2000
- 455
- Group
- Other invertebrates
Oerstedia dorsalis
- Peak month
- September
- Records since 2000
- 374
- Group
- Other invertebrates
Tubulanus annulatus
- Peak month
- September
- Records since 2000
- 353
- Group
- Other invertebrates
Golfingia margaritacea
- Peak month
- July
- Records since 2000
- 342
- Group
- Other invertebrates
Aspidosiphon muelleri
- Peak month
- February
- Records since 2000
- 340
- Group
- Other invertebrates
Pycnogonum litorale
- Peak month
- August
- Records since 2000
- 247
- Group
- Other invertebrates
Pedicellina cernua
- Peak month
- July
- Records since 2000
- 226
- Group
- Other invertebrates
Spadella cephaloptera
- Peak month
- August
- Records since 2000
- 225
- Group
- Other invertebrates
Phoxichilidium femoratum
- Peak month
- August
- Records since 2000
- 221
- Group
- Other invertebrates
Tubulanus albocapitatus
- Peak month
- July
- Records since 2000
- 211
- Group
- Other invertebrates
Parasagitta elegans
- Peak month
- July
- Records since 2000
- 180
- Group
- Other invertebrates
Ammothella longipes
- Peak month
- June
- Records since 2000
- 176
- Group
- Other invertebrates
Parasagitta setosa
- Peak month
- September
- Records since 2000
- 174
- Group
- Other invertebrates
Anoplodactylus pygmaeus
- Peak month
- June
- Records since 2000
- 173
- Group
- Other invertebrates
Beroe cucumis
- Peak month
- June
- Records since 2000
- 158
- Group
- Other invertebrates
Bolinopsis infundibulum
- Peak month
- June
- Records since 2000
- 145
- Group
- Other invertebrates
Sea-spider
- Peak month
- June
- Records since 2000
- 141
- Scientific name
- Nymphon gracile
Endeis spinosa
- Peak month
- August
- Records since 2000
- 136
- Group
- Other invertebrates
A ribbon worm
- Peak month
- April
- Records since 2000
- 112
- Scientific name
- Tetrastemma vermiculus
Phoronis ovalis
- Peak month
- May
- Records since 2000
- 98
- Group
- Other invertebrates
Ammothea hilgendorfi
- Peak month
- June
- Records since 2000
- 96
- Group
- Other invertebrates
Cephalothrix linearis
- Peak month
- September
- Records since 2000
- 84
- Group
- Other invertebrates
Loxosomella murmanica
- Peak month
- June
- Records since 2000
- 84
- Group
- Other invertebrates
Cephalothrix rufifrons
- Peak month
- May
- Records since 2000
- 82
- Group
- Other invertebrates
Tetrastemma coronatum
- Peak month
- May
- Records since 2000
- 81
- Group
- Other invertebrates
A ribbon worm
- Peak month
- September
- Records since 2000
- 79
- Scientific name
- Tetrastemma robertianae
Nymphon hirtum
- Peak month
- June
- Records since 2000
- 71
- Group
- Other invertebrates
Loxosomella varians
- Peak month
- July
- Records since 2000
- 70
- Group
- Other invertebrates
Siphonenteron bilineatum
- Peak month
- May
- Records since 2000
- 67
- Group
- Other invertebrates