Hesiospina aurantiaca

Other invertebrates
IUCN: Not evaluated

Usual depth6–306 m
Water temperature6–27 °C
Best monthsAugust
How commonOccasional

All species

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 30 records
February: 37 records
March: 50 records
April: 133 records
May: 29 records
June: 57 records
July: 87 records
August: 236 records
September: 64 records
October: 42 records
November: 17 records
December: 6 records

Depth and water temperature

Depth

Mostly recorded at 6–306 m · Deepest record: 5,049.5 m

0–10 m: 86 records
10–20 m: 38 records
20–30 m: 31 records
30–40 m: 106 records
40–50 m: 134 records
50–60 m: 73 records
60–70 m: 44 records
70–80 m: 6 records
80–90 m: 6 records
90–100 m: 1 records
100–110 m: 12 records
110+ m: 247 records

Water temperature

Recorded in surface water of 6–27 °C

4–6 °C: 6 records
6–8 °C: 151 records
8–10 °C: 27 records
10–12 °C: 201 records
12–14 °C: 358 records
14–16 °C: 6 records
16–18 °C: 7 records
18–20 °C: 45 records
20–22 °C: 22 records
22–24 °C: 2 records
24–26 °C: 3 records
26–28 °C: 3 records

Names and classification

Names in 2 more languages

Japanese: カギオトヒメゴカイ
Korean: 고리수염갯지렁이

Other scientific names: Castalia aurantiaca, Castalia longicornis, Hesiospina similis, Kefersteinia similis, Nereimyra aurantiaca, Nereimyra longicornis

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).
1,620 open-data records from 1985 to 2023.
Species data updated November 3, 2026.

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