Bristleworm
- Peak month
- June
- Records since 2000
- 19,007
- Scientific name
- Mediomastus fragilis
Sand Mason
- Peak month
- July
- Records since 2000
- 17,483
- Scientific name
- Lanice conchilega
Bee spionid
- Peak month
- June
- Records since 2000
- 16,276
- Scientific name
- Spiophanes bombyx
Hilbigneris gracilis
- Peak month
- June
- Records since 2000
- 16,251
- Group
- Worms (annelids)
Tubeworm
- Peak month
- January
- Records since 2000
- 14,497
- Scientific name
- Owenia fusiformis
Glycera lapidum
- Peak month
- August
- Records since 2000
- 14,425
- Group
- Worms (annelids)
Pholoe baltica
- Peak month
- June
- Records since 2000
- 14,369
- Group
- Worms (annelids)
Scalibregma inflatum
- Peak month
- July
- Records since 2000
- 13,869
- Group
- Worms (annelids)
Bristleworm
- Peak month
- June
- Records since 2000
- 13,819
- Scientific name
- Scoloplos armiger
Aonides paucibranchiata
- Peak month
- August
- Records since 2000
- 13,124
- Group
- Worms (annelids)
Ross Worm
- Peak month
- June
- Records since 2000
- 12,869
- Scientific name
- Sabellaria spinulosa
Christmas tree worm
- Peak month
- August
- Records since 2000
- 11,700
- Scientific name
- Spirobranchus triqueter
Catworm
- Peak month
- June
- Records since 2000
- 11,643
- Scientific name
- Nephtys hombergii
Galathowenia oculata
- Peak month
- May
- Records since 2000
- 11,361
- Group
- Worms (annelids)
Paddleworm
- Peak month
- June
- Records since 2000
- 11,137
- Scientific name
- Eteone longa
Pholoe inornata
- Peak month
- May
- Records since 2000
- 10,180
- Group
- Worms (annelids)
Club Worm
- Peak month
- July
- Records since 2000
- 9,647
- Scientific name
- Notomastus latericeus
Caulleriella alata
- Peak month
- August
- Records since 2000
- 9,633
- Group
- Worms (annelids)
Trumpet worm
- Peak month
- July
- Records since 2000
- 9,448
- Scientific name
- Lagis koreni
Terebellides stroemii
- Peak month
- July
- Records since 2000
- 9,004
- Group
- Worms (annelids)
Goniada maculata
- Peak month
- June
- Records since 2000
- 8,988
- Group
- Worms (annelids)
Diplocirrus glaucus
- Peak month
- June
- Records since 2000
- 8,807
- Group
- Worms (annelids)
White Catworm
- Peak month
- June
- Records since 2000
- 8,630
- Scientific name
- Nephtys cirrosa
Lamarck's Christmas Tree Worm
- Peak month
- June
- Records since 2000
- 8,023
- Scientific name
- Spirobranchus lamarcki
Peacock Worm
- Peak month
- June
- Records since 2000
- 7,900
- Scientific name
- Sabella pavonina
Melinna palmata
- Peak month
- June
- Records since 2000
- 7,885
- Group
- Worms (annelids)
Laonice bahusiensis
- Peak month
- August
- Records since 2000
- 7,827
- Group
- Worms (annelids)
Prionospio fallax
- Peak month
- May
- Records since 2000
- 7,569
- Group
- Worms (annelids)
Chaetozone setosa
- Peak month
- June
- Records since 2000
- 7,513
- Group
- Worms (annelids)
Poecilochaetus serpens
- Peak month
- August
- Records since 2000
- 7,474
- Group
- Worms (annelids)
Paradoneis lyra
- Peak month
- July
- Records since 2000
- 7,343
- Group
- Worms (annelids)
Glycera alba
- Peak month
- June
- Records since 2000
- 7,155
- Group
- Worms (annelids)
Chaetozone zetlandica
- Peak month
- August
- Records since 2000
- 7,129
- Group
- Worms (annelids)
Spiophanes kroyeri
- Peak month
- May
- Records since 2000
- 7,095
- Group
- Worms (annelids)
Protodorvillea kefersteini
- Peak month
- July
- Records since 2000
- 6,999
- Group
- Worms (annelids)
Fish Leech
- Peak month
- October
- Records since 2000
- 6,917
- Scientific name
- Piscicola geometra
Ampharete lindstroemi
- Peak month
- August
- Records since 2000
- 6,860
- Group
- Worms (annelids)
Dipolydora coeca
- Peak month
- August
- Records since 2000
- 6,466
- Group
- Worms (annelids)
Praxillella affinis
- Peak month
- July
- Records since 2000
- 6,240
- Group
- Worms (annelids)
Exogone naidina
- Peak month
- May
- Records since 2000
- 6,107
- Group
- Worms (annelids)
Nephtys kersivalensis
- Peak month
- June
- Records since 2000
- 6,032
- Group
- Worms (annelids)
Tubificoides benedii
- Peak month
- June
- Records since 2000
- 6,020
- Group
- Worms (annelids)
Phyllodoce mucosa
- Peak month
- June
- Records since 2000
- 5,872
- Group
- Worms (annelids)
Ophelia borealis
- Peak month
- July
- Records since 2000
- 5,763
- Group
- Worms (annelids)
Magelona alleni
- Peak month
- June
- Records since 2000
- 5,676
- Group
- Worms (annelids)
Tharyx killariensis
- Peak month
- July
- Records since 2000
- 5,588
- Group
- Worms (annelids)
Polychaete
- Peak month
- August
- Records since 2000
- 5,456
- Scientific name
- Eumida sanguinea
Parexogone hebes
- Peak month
- July
- Records since 2000
- 5,336
- Group
- Worms (annelids)