Ditrupa arietina

Other invertebrates
IUCN: Not evaluated

Usual depth67–305 m
Water temperature6–21 °C
Best monthsNovember and December
How commonCommon

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 169 records
February: 21 records
March: 69 records
April: 75 records
May: 43 records
June: 44 records
July: 71 records
August: 104 records
September: 28 records
October: 31 records
November: 319 records
December: 225 records

Depth and water temperature

Depth

Mostly recorded at 67–305 m · Deepest record: 999 m

0–10 m: 41 records
10–20 m: 37 records
20–30 m: 61 records
30–40 m: 32 records
40–50 m: 21 records
50–60 m: 15 records
60–70 m: 645 records
70–80 m: 384 records
80–90 m: 229 records
90–100 m: 119 records
100–110 m: 245 records
110+ m: 4,056 records

Water temperature

Recorded in surface water of 6–21 °C

4–6 °C: 1 records
6–8 °C: 17 records
8–10 °C: 152 records
10–12 °C: 710 records
12–14 °C: 15 records
14–16 °C: 4 records
16–18 °C: 25 records
18–20 °C: 10 records
20–22 °C: 4 records

Names and classification

Names in 2 more languages

French: Pointe d'alène
Korean: 뿔석회관갯지렁이

Other scientific names: Brochus arcuatus, Dentalium arietinum, Dentalium corneum, Dentalium goreanum, Dentalium subulatum, Ditrupa goreanum, Ditrupa libera, Ditrupa subulata, Ditrypa arcuata, Placostegus libera, Serpula libera

Similar species

Ditrupa gracillima
Australian tubeworm
Ficopomatus enigmaticus
Coral worm
Filograna implexa
Intertidal Tube Worm
Galeolaria caespitosa
Galeolaria gemineoa
Scarlet Tubeworm
Galeolaria hystrix

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).
8,515 open-data records from 1776 to 2025.
Species data updated November 2, 2026.

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