Kirkegaardia annulosa

Other invertebrates
IUCN: Not evaluated

Usual depth18–152 m
Water temperature-1–29 °C
Best monthsFebruary, May, and July
How commonOccasional

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 98 records
February: 409 records
March: 125 records
April: 53 records
May: 362 records
June: 277 records
July: 459 records
August: 188 records
September: 223 records
October: 54 records
November: 313 records
December: 18 records

Depth and water temperature

Depth

Mostly recorded at 18–152 m · Deepest record: 4,165 m

0–10 m: 99 records
10–20 m: 70 records
20–30 m: 218 records
30–40 m: 68 records
40–50 m: 24 records
50–60 m: 45 records
60–70 m: 29 records
70–80 m: 129 records
80–90 m: 404 records
90–100 m: 29 records
100–110 m: 103 records
110+ m: 272 records

Water temperature

Recorded in surface water of -1–29 °C

-2–0 °C: 1 records
0–2 °C: 0 records
2–4 °C: 0 records
4–6 °C: 1 records
6–8 °C: 0 records
8–10 °C: 1 records
10–12 °C: 38 records
12–14 °C: 462 records
14–16 °C: 99 records
16–18 °C: 3 records
18–20 °C: 0 records
20–22 °C: 0 records
22–24 °C: 62 records
24–26 °C: 290 records
26–28 °C: 21 records
28–30 °C: 10 records

Names and classification

Other scientific names: Caulleriella annulosa, Monticellina annulosa, Tharyx annulosus, Zeppelina prolonga

Similar species

Kirkegaardia dorsobranchialis
Bristleworm
Cirratulus cirratus
Bristleworm
Aphelochaeta marioni
Chaetozone setosa
Red Thread-gilled Worm
Cirriformia tentaculata
Aphelochaeta filiformis

Sources and credits

Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).

Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
Conservation status as published by GBIF (IUCN Red List).
2,585 open-data records from 1963 to 2023.
Species data updated November 3, 2026.

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