Chaetopterus gregarius

Chaetopterus gregarius
Scientific classification
Kingdom:	Animalia
Phylum:	Annelida
Class:	Polychaeta
Family:	Chaetopteridae
Genus:	Chaetopterus
Species:	C. gregarius
Binomial name
	Chaetopterus gregarius; Nishi, Arai & Sasanuma, 2000

Last updated August 14, 2025

Chaetopterus gregarius is a species of parchment worm, a marine polychaete in the family Chaetopteridae.^[1]

Distribution and biology

Chaetopterus gregarius is known from coastal waters off Tokyo Bay in Japan. It tends to be gregarious and attaches itself to hard substrate.^[2]

References

↑ "World Polychaeta Database - Chaetopterus gregarius Nishi, Arai & Sasanuma, 2000".
↑ Nishi, E.; Arai, H.; Sasanuma, S. (2000). "A new species of Chaetopterus (Polychaeta: Chaetopteridae) from off Tokyo Bay, Central Japan, with comments on its bioluminescence". Actinia. Bulletin of the Manazuru Marine Laboratory for Science Education, Faculty of Education and Human Sciences, Yokohama National University. 13: 1–12.

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[1] "World Polychaeta Database - Chaetopterus gregarius Nishi, Arai & Sasanuma, 2000".

[2] Nishi, E.; Arai, H.; Sasanuma, S. (2000). "A new species of Chaetopterus (Polychaeta: Chaetopteridae) from off Tokyo Bay, Central Japan, with comments on its bioluminescence". Actinia. Bulletin of the Manazuru Marine Laboratory for Science Education, Faculty of Education and Human Sciences, Yokohama National University. 13: 1–12.

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