Trumpet worm

Lagis koreni

Other invertebrates
IUCN: Not evaluated

Usual depth0–111 m
Water temperature9–26 °C
Best monthsMay, October, and November
How commonCommon

Photo credit: (c) Rasmus Brønnum, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Lagis koreni, commonly known as the trumpet worm, is a species of marine polychaete worm found in European waters. It lives within a narrow conical tube made of grains of sand and shell fragments.

Text from the Wikipedia article “Lagis koreni”, 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: 725 records
February: 541 records
March: 1,458 records
April: 2,301 records
May: 2,998 records
June: 2,375 records
July: 1,990 records
August: 1,725 records
September: 2,390 records
October: 3,297 records
November: 2,538 records
December: 561 records

Depth and water temperature

Depth

Mostly recorded at 0–111 m · Deepest record: 1,000 m

0–10 m: 5,270 records
10–20 m: 6,106 records
20–30 m: 1,696 records
30–40 m: 907 records
40–50 m: 509 records
50–60 m: 166 records
60–70 m: 242 records
70–80 m: 266 records
80–90 m: 166 records
90–100 m: 331 records
100–110 m: 551 records
110+ m: 2,127 records

Water temperature

Recorded in surface water of 9–26 °C

8–10 °C: 12 records
10–12 °C: 695 records
12–14 °C: 154 records
14–16 °C: 14 records
16–18 °C: 4 records
18–20 °C: 3 records
20–22 °C: 10 records
22–24 °C: 0 records
24–26 °C: 1 records

Photos

Names and classification

English: Trumpet worm, trumpet worm

Names in 2 more languages

German: Köcherwurm
French: pectinaire, Pectinaire, Queue de pipe, queue de pipe

Other scientific names: Cistena pectinata, Nereis pectinata, Pectinaria (Lagis) koreni, Pectinaria koreni, Pectinaria malmgreni, Pectinaria robusta, Sabella tubiformis, Solen fragilis

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).
52,881 open-data records from 1873 to 2025.
Species data updated November 3, 2026.

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