Names and classification
Other scientific names: Notomastus (Clistomastus) torquatus
Similar species
- Capitellid thread worm
Heteromastus filiformis
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).
- Conservation status as published by GBIF (IUCN Red List).
- Species data updated October 27, 2026.
Log what you see on your next dive
The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.