Bristleworm

Hyalinoecia tubicola

Other invertebrates
IUCN: Not evaluated

Usual depth41–290 m
Water temperature5–29 °C
Best monthsMarch, August, and September
How commonCommon

All species

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 207 records
February: 88 records
March: 481 records
April: 140 records
May: 89 records
June: 94 records
July: 74 records
August: 382 records
September: 328 records
October: 18 records
November: 46 records
December: 9 records

Depth and water temperature

Depth

Mostly recorded at 41–290 m · Deepest record: 3,111 m

0–10 m: 117 records
10–20 m: 22 records
20–30 m: 83 records
30–40 m: 439 records
40–50 m: 320 records
50–60 m: 155 records
60–70 m: 68 records
70–80 m: 121 records
80–90 m: 189 records
90–100 m: 439 records
100–110 m: 585 records
110+ m: 4,488 records

Water temperature

Recorded in surface water of 5–29 °C

4–6 °C: 1 records
6–8 °C: 7 records
8–10 °C: 22 records
10–12 °C: 653 records
12–14 °C: 167 records
14–16 °C: 8 records
16–18 °C: 9 records
18–20 °C: 14 records
20–22 °C: 16 records
22–24 °C: 0 records
24–26 °C: 6 records
26–28 °C: 1 records
28–30 °C: 2 records

Names and classification

English: Bristleworm, bristleworm

Names in 1 more languages

Japanese: ツノイソメ

Other scientific names: Hyalinoecia platybranchis, Nereis tubicola, Onuphis filicornis, Onuphis sicula, Onuphis tubicola, Terebella quinqueseta

Similar species

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).
8,333 open-data records from 1788 to 2025.
Species data updated November 3, 2026.

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