Glycera fallax

Other invertebrates

Usual depth0–104 m
Water temperature10–29 °C
Best monthsApril, May, and July
How commonOccasional

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 47 records
February: 71 records
March: 143 records
April: 240 records
May: 204 records
June: 126 records
July: 181 records
August: 163 records
September: 107 records
October: 42 records
November: 33 records
December: 18 records

Depth and water temperature

Depth

Mostly recorded at 0–104 m · Deepest record: 500 m

0–10 m: 105 records
10–20 m: 51 records
20–30 m: 98 records
30–40 m: 137 records
40–50 m: 155 records
50–60 m: 67 records
60–70 m: 39 records
70–80 m: 26 records
80–90 m: 18 records
90–100 m: 38 records
100–110 m: 37 records
110+ m: 66 records

Water temperature

Recorded in surface water of 10–29 °C

8–10 °C: 2 records
10–12 °C: 241 records
12–14 °C: 457 records
14–16 °C: 12 records
16–18 °C: 64 records
18–20 °C: 58 records
20–22 °C: 13 records
22–24 °C: 1 records
24–26 °C: 0 records
26–28 °C: 1 records
28–30 °C: 1 records

Names and classification

Other scientific names: Glycera decorata, Glycera folliculosa, Glycera gigantea, Glycera mitis

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.
1,469 open-data records from 1865 to 2024.

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