Helice tridens
- Water temperature16–23 °C
- Best monthsJune, July, and September
- How commonRare
Photo credit: (c) Marco Mussita, some rights reserved (CC BY), uploaded by Marco Mussita · CC BY · iNaturalist
About this species
Helice tridens is a species of crab which lives on mudflats around the coasts of Japan and the Korean Peninsula.
Text from the Wikipedia article “Helice tridens”, 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: 0 records
- March: 1 records
- April: 18 records
- May: 20 records
- June: 35 records
- July: 29 records
- August: 26 records
- September: 32 records
- October: 19 records
- November: 15 records
- December: 0 records
Depth and water temperature
Water temperature
Recorded in surface water of 16–23 °C
Photos
(c) Kalvin Chan, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Hawk T., some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Se Lena, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) WATANABE Hitoshi 渡辺仁, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Marco Mussita, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Kim, Hyun-tae, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) WATANABE Hitoshi 渡辺仁, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Names in 3 more languages
- Japanese
- アシハラガニ
- Korean
- 방게
- Simplified Chinese
- 三齒厚蟹
Other scientific names: Helice latreillei, Helice latreilli, Ocypode (Helice) tridens
Similar species
Asian shore crabHemigrapsus sanguineus
Tunneling Mud CrabAustrohelice crassa
Smooth Shore CrabCyclograpsus lavauxi
Japanese mitten crabEriocheir japonica
Estuarine crabHemigrapsus crenulatus
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).
- 211 open-data records from 2008 to 2014.
- Species data updated November 3, 2026.
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