Coral worm

Filograna implexa

Other invertebrates
IUCN: Not evaluated

Usual depth9–197 m
Water temperature2–29 °C
Best monthsJuly and August
How commonOccasional

All species

About this species

Filograna implexa is a species of polychaetes belonging to the family Serpulidae.

Text from the Wikipedia article “Filograna implexa”, 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: 194 records
February: 43 records
March: 28 records
April: 62 records
May: 136 records
June: 241 records
July: 387 records
August: 565 records
September: 246 records
October: 59 records
November: 96 records
December: 30 records

Depth and water temperature

Depth

Mostly recorded at 9–197 m · Deepest record: 865 m

0–10 m: 180 records
10–20 m: 326 records
20–30 m: 240 records
30–40 m: 95 records
40–50 m: 52 records
50–60 m: 22 records
60–70 m: 24 records
70–80 m: 18 records
80–90 m: 32 records
90–100 m: 38 records
100–110 m: 71 records
110+ m: 430 records

Water temperature

Recorded in surface water of 2–29 °C

2–4 °C: 1 records
4–6 °C: 1 records
6–8 °C: 22 records
8–10 °C: 66 records
10–12 °C: 508 records
12–14 °C: 269 records
14–16 °C: 5 records
16–18 °C: 1 records
18–20 °C: 40 records
20–22 °C: 3 records
22–24 °C: 16 records
24–26 °C: 13 records
26–28 °C: 0 records
28–30 °C: 7 records

Names and classification

English: Coral worm, Lacy tubeworm, coral worm, lacy tubeworm

Names in 2 more languages

German: Filigranwurm
Japanese: シライトカンザシゴカイ／シライトゴカイ

Other scientific names: Filigrana implexa, Filograna berkeleyi, Filograna schleideni, Serpula complexa, Serpula corallifica, Serpula filiformis, Serpula filograna, Tubipora filogranum, Tubipora ramosa

Similar species

Apomatus nishii
Delicate Tube Worm
Filogranella elatensis
Star tubeworm
Pomatostegus stellatus

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).
2,698 open-data records from 1874 to 2026.

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