DiscoverSpeciesOther invertebrates
Hermilepidonotus helotypus
- Water temperature15–20 °C
- Best monthsApril, May, and June
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 0 records
- February: 1 records
- March: 8 records
- April: 23 records
- May: 20 records
- June: 21 records
- July: 3 records
- August: 0 records
- September: 2 records
- October: 0 records
- November: 0 records
- December: 0 records
Depth and water temperature
Water temperature
Recorded in surface water of 15–20 °C
Names and classification
Names in 2 more languages
- Japanese
- サンハチウロコムシ
- Korean
- 송곳예쁜이비늘갯지렁이
Other scientific names: Lepidonotus dofleini, Lepidonotus helotypus, Polynoe (Lepidonotus) gymnonotus, Polynoe (Lepidonotus) helotypus, Polynoe gymnonota, Polynoe ijimai, Polynoe phaeophyllus
Similar species
Common fifteen-scaled wormHarmothoe imbricata
Eighteen-scaled WormHalosydna brevisetosa
Club-spined Scale WormGastrolepidia clavigera
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.
- Conservation status as published by GBIF (IUCN Red List).
- 77 open-data records from 1987 to 2020.
- Species data updated November 3, 2026.
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