Hydroides norvegica

Other invertebrates
IUCN: Not evaluated

Usual depth15–311 m
Water temperature2–25 °C
Best monthsMay and September
How commonCommon

About this species

Hydroides norvegica is a species of tube-forming annelid worm in the family Serpulidae. It is found on submerged rocks, shells, piles and boats in many coastal areas around the world. It is the type species of the genus Hydroides.

Text from the Wikipedia article “Hydroides norvegica”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 344 records
February: 311 records
March: 481 records
April: 413 records
May: 1,032 records
June: 457 records
July: 427 records
August: 242 records
September: 694 records
October: 151 records
November: 223 records
December: 35 records

Depth and water temperature

Depth

Mostly recorded at 15–311 m · Deepest record: 4,808 m

0–10 m: 555 records
10–20 m: 207 records
20–30 m: 304 records
30–40 m: 238 records
40–50 m: 240 records
50–60 m: 154 records
60–70 m: 377 records
70–80 m: 259 records
80–90 m: 187 records
90–100 m: 243 records
100–110 m: 254 records
110+ m: 3,342 records

Water temperature

Recorded in surface water of 2–25 °C

2–4 °C: 1 records
4–6 °C: 1 records
6–8 °C: 38 records
8–10 °C: 152 records
10–12 °C: 575 records
12–14 °C: 129 records
14–16 °C: 0 records
16–18 °C: 4 records
18–20 °C: 3 records
20–22 °C: 1 records
22–24 °C: 0 records
24–26 °C: 2 records

Names and classification

Names in 2 more languages

German: Nordischer Kalkröhrenwurm
Japanese: ヒトエカンザシゴカイ

Other scientific names: Eupomatus trypanon, Eupomatus vermicularis, Hydroides nervegica, Hydroides norvegicus, Serpula (Hydroides) norvegica, Serpula norvegica, Serpula norwegica, Serpula solitaria, Serpula vermicularis, Vermilia norwegia

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.
Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
Conservation status as published by GBIF (IUCN Red List).
12,541 open-data records from 1768 to 2025.
Species data updated November 3, 2026.

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