Glycera robusta

Other invertebrates

Usual depth9–101 m
Water temperature-1–30 °C
Best monthsMay and August
How commonRare

All species

Photo credit: (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda · CC BY · iNaturalist

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 8 records
February: 40 records
March: 27 records
April: 44 records
May: 76 records
June: 15 records
July: 43 records
August: 63 records
September: 33 records
October: 9 records
November: 8 records
December: 24 records

Depth and water temperature

Depth

Mostly recorded at 9–101 m · Deepest record: 1,606 m

0–10 m: 36 records
10–20 m: 47 records
20–30 m: 36 records
30–40 m: 20 records
40–50 m: 20 records
50–60 m: 28 records
60–70 m: 21 records
70–80 m: 25 records
80–90 m: 50 records
90–100 m: 28 records
100–110 m: 10 records
110+ m: 25 records

Water temperature

Recorded in surface water of -1–30 °C

-2–0 °C: 1 records
0–2 °C: 0 records
2–4 °C: 0 records
4–6 °C: 1 records
6–8 °C: 1 records
8–10 °C: 3 records
10–12 °C: 43 records
12–14 °C: 169 records
14–16 °C: 83 records
16–18 °C: 27 records
18–20 °C: 9 records
20–22 °C: 0 records
22–24 °C: 61 records
24–26 °C: 11 records
26–28 °C: 3 records
28–30 °C: 2 records

Photos

Names and classification

Names in 1 more languages

Japanese: オオガタチロリ

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.
424 open-data records from 1935 to 2025.

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