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Parchment tubeworm / tube worm

Chaetopterus variopedatus

  • Other invertebrates
  • IUCN: Not evaluated
  • Usual depth7–119 m
  • Water temperature-1–29 °C
  • Best monthsJune, August, and September
  • How commonCommon
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Photo credit: (c) Bernard Picton, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Chaetopterus variopedatus is a species of parchment worm, a marine polychaete in the family Chaetopteridae. It is found worldwide. However, recent discoveries from molecular phylogeny analysis show that Chaetopterus variopedatus sensu Hartman (1959) is not a single species.

Text from the Wikipedia article “Chaetopterus variopedatus”, 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: 104 records
  • February: 103 records
  • March: 305 records
  • April: 286 records
  • May: 463 records
  • June: 563 records
  • July: 559 records
  • August: 774 records
  • September: 624 records
  • October: 172 records
  • November: 82 records
  • December: 57 records

Depth and water temperature

Depth

Mostly recorded at 7–119 m · Deepest record: 2,170 m

  • 0–10 m: 502 records
  • 10–20 m: 818 records
  • 20–30 m: 606 records
  • 30–40 m: 218 records
  • 40–50 m: 241 records
  • 50–60 m: 53 records
  • 60–70 m: 31 records
  • 70–80 m: 22 records
  • 80–90 m: 23 records
  • 90–100 m: 18 records
  • 100–110 m: 24 records
  • 110+ m: 368 records

Water temperature

Recorded in surface water of -1–29 °C

  • -2–0 °C: 1 records
  • 0–2 °C: 0 records
  • 2–4 °C: 0 records
  • 4–6 °C: 23 records
  • 6–8 °C: 6 records
  • 8–10 °C: 49 records
  • 10–12 °C: 565 records
  • 12–14 °C: 162 records
  • 14–16 °C: 12 records
  • 16–18 °C: 23 records
  • 18–20 °C: 9 records
  • 20–22 °C: 7 records
  • 22–24 °C: 8 records
  • 24–26 °C: 5 records
  • 26–28 °C: 2 records
  • 28–30 °C: 1 records

Names and classification

English
Parchment tubeworm / tube worm, Parchment worm, parchment tubeworm / tube worm, parchment worm, Parchment Worm, Worm
Names in 2 more languages
German
Pergamentwurm
French
grand chétoptère

Other scientific names: Chaetopterus afer, Chaetopterus appendiculatus, Chaetopterus australis, Chaetopterus crosslandi, Chaetopterus hamatus, Chaetopterus insignis, Chaetopterus leuckarti, Chaetopterus longimanus, Chaetopterus quatrefagesii, Chaetopterus valencinii, Chaetopterus varieopedatus, Tricoelia variopedata

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).
  • 6,278 open-data records from 1804 to 2025.
  • Species data updated October 26, 2026.

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