Genko sole
Cynoglossus interruptus
- Usual depth20–73 m
- Water temperature20–29 °C
- Best monthsJuly, September, and December
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 0 records
- February: 4 records
- March: 2 records
- April: 1 records
- May: 4 records
- June: 2 records
- July: 7 records
- August: 5 records
- September: 6 records
- October: 4 records
- November: 5 records
- December: 7 records
Depth and water temperature
Depth
Mostly recorded at 20–73 m · Deepest record: 149 m
Water temperature
Recorded in surface water of 20–29 °C
Names and classification
- English
- Genko sole, Mottled Tonguefish
Names in 3 more languages
- Japanese
- Genko, ゲンコ
- Korean
- 칠서대, Chil-seo-dae
- Simplified Chinese
- 扁魚, 斷線舌鰨, 比目魚, 牛舌, 皇帝魚, 龍舌
Other scientific names: Areliscus interruptus
Similar species
- Zanzibar tonguesole
Cynoglossus zanzibarensis
- Spotfin Tongue Sole
Cynoglossus maculipinnis
Broadhurst's Tongue-soleCynoglossus broadhursti
McCulloch's Tongue-soleCynoglossus maccullochi
Malabar SoleCynoglossus macrostomus
Speckled TonguesoleCynoglossus puncticeps
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).
- 209 open-data records from 1900 to 2021.
- Species data updated November 2, 2026.
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