Tong's Pillbox Crab

Halicarcinus tongi

Crustaceans
IUCN: Not evaluated

Usual depth38–127 m
Water temperature15–18 °C
Best monthsOctober
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 0 records
February: 4 records
March: 0 records
April: 0 records
May: 1 records
June: 0 records
July: 0 records
August: 1 records
September: 1 records
October: 9 records
November: 3 records
December: 0 records

Depth and water temperature

Depth

Mostly recorded at 38–127 m · Deepest record: 491 m

10–20 m: 1 records
20–30 m: 0 records
30–40 m: 1 records
40–50 m: 4 records
50–60 m: 0 records
60–70 m: 0 records
70–80 m: 7 records
80–90 m: 1 records
90–100 m: 2 records
100–110 m: 0 records
110–120 m: 0 records
120+ m: 2 records

Water temperature

Recorded in surface water of 15–18 °C

14–16 °C: 3 records
16–18 °C: 16 records

Names and classification

English: Tong's Pillbox Crab

Similar species

Three-pronged Spider Crab
Halicarcinus ovatus
Cook's Pillbox Crab
Halicarcinus cookii
Flattened Crab
Halicarcinus planatus
Flat Pillbox Crab
Halicarcinus quoyi
Variable pillbox crab
Halicarcinus varius
Estuarine Pillbox Crab
Halicarcinus whitei

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).
19 open-data records from 1934 to 2025.
Species data updated November 3, 2026.

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