Incultus brockii
- Usual depth16 m
- Water temperature24–28 °C
- Best monthsMarch, June, and July
- How commonRare
About this species
Incultus brockii is a species of swimmer crab in the family Portunidae. It is found in sandy mud from Japan to the eastern Indian Ocean including China, Singapore, Philippines, Indonesia and Australia.
Text from the Wikipedia article “Incultus brockii”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 0 records
- February: 1 records
- March: 2 records
- April: 0 records
- May: 0 records
- June: 2 records
- July: 2 records
- August: 0 records
- September: 0 records
- October: 0 records
- November: 0 records
- December: 1 records
Depth and water temperature
Depth
Mostly recorded at 16 m · Deepest record: 16 m
Water temperature
Recorded in surface water of 24–28 °C
Names and classification
Names in 1 more languages
- Japanese
- ツノナシイボガザミ
Other scientific names: Neptunus Brockii, Portunus (Monomia) brocki, Portunus (Xiphonectes) brockii, Portunus brocki, Xiphonectes brockii
Similar species
- blood-spot swimming crab
Incultus tuberculosus
Blue swimming crabPortunus pelagicus
- Asian paddle crab
Charybdis (Charybdis) japonica
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.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 23 open-data records from 1888 to 1990.
- Species data updated November 3, 2026.
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