Small Decorator Crab

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 13 records
February: 27 records
March: 16 records
April: 15 records
May: 16 records
June: 7 records
July: 9 records
August: 5 records
September: 10 records
October: 15 records
November: 20 records
December: 11 records

Depth and water temperature

Depth

Mostly recorded at 0–50 m · Deepest record: 340 m

0–10 m: 27 records
10–20 m: 21 records
20–30 m: 8 records
30–40 m: 2 records
40–50 m: 4 records
50–60 m: 5 records
60–70 m: 0 records
70–80 m: 0 records
80–90 m: 0 records
90–100 m: 0 records
100–110 m: 0 records
110+ m: 2 records

Water temperature

Recorded in surface water of 12–28 °C

10–12 °C: 1 records
12–14 °C: 4 records
14–16 °C: 118 records
16–18 °C: 54 records
18–20 °C: 10 records
20–22 °C: 20 records
22–24 °C: 0 records
24–26 °C: 0 records
26–28 °C: 1 records

Photos

(c) Genevieve Early, some rights reserved (CC BY), uploaded by Genevieve Early · CC BY · iNaturalist
(c) Genevieve Early, some rights reserved (CC BY), uploaded by Genevieve Early · CC BY · iNaturalist
(c) Peter Crowcroft, some rights reserved (CC BY) · CC BY · iNaturalist
(c) naturewatchwidow, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Kelvin Perrie, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Peter Crowcroft, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Javier, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Small Decorator Crab

Other scientific names: Paramithrax minor, Paramithrax parvus

Similar species

Hairy Seaweed Crab
Notomithrax ursus
Peron's Camouflage Crab
Notomithrax peronii
Southern spider crab
Jacquinotia edwardsii
Great spider crab
Leptomithrax gaimardii
Golden Decorator Crab
Naxia aurita
Triangle crab
Eurynolambrus australis

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).
286 open-data records from 1902 to 2020.
Species data updated November 5, 2026.