Hemipodia simplex

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 65 records
February: 81 records
March: 37 records
April: 43 records
May: 63 records
June: 78 records
July: 81 records
August: 83 records
September: 166 records
October: 23 records
November: 40 records
December: 27 records

Depth and water temperature

Depth

Mostly recorded at 4–57 m · Deepest record: 2,285 m

0–10 m: 101 records
10–20 m: 251 records
20–30 m: 80 records
30–40 m: 25 records
40–50 m: 17 records
50–60 m: 16 records
60–70 m: 8 records
70–80 m: 6 records
80–90 m: 8 records
90–100 m: 5 records
100–110 m: 0 records
110+ m: 22 records

Water temperature

Recorded in surface water of 8–27 °C

6–8 °C: 1 records
8–10 °C: 22 records
10–12 °C: 47 records
12–14 °C: 86 records
14–16 °C: 99 records
16–18 °C: 52 records
18–20 °C: 6 records
20–22 °C: 2 records
22–24 °C: 108 records
24–26 °C: 323 records
26–28 °C: 13 records

Photos

(c) Marilynne Box, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Matt Muir, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Erin McKittrick, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Erin McKittrick, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Bennett Grappone, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Marilynne Box, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

Names in 1 more languages

Japanese: ヒトサシチロリ

Other scientific names: Glycera diodon, Glycera macrorhiza, Glycera monodon, Glycera rosea, Glycera simplex, Hemipodia borealis, Hemipodia patagonica, Hemipodus biannulatus, Hemipodus borealis, Hemipodus digitifera, Hemipodus heteropapillatus, Hemipodus heterosetosus, Hemipodus patagonicus, Hemipodus roseus, Hemipodus simplex

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.
Conservation status as published by GBIF (IUCN Red List).
780 open-data records from 1904 to 2022.
Species data updated November 3, 2026.