Kop's Tonguesole

Cynoglossus kopsii

Fish
IUCN: Least concern

Usual depth22–164 m
Water temperature24–30 °C
Best monthsMay, September, and October
How commonRare

All species

Where and when

Where it has been recorded

Worldwide

Loading the map

Best months

Worldwide (open data)

January: 2 records
February: 5 records
March: 3 records
April: 4 records
May: 7 records
June: 3 records
July: 2 records
August: 3 records
September: 6 records
October: 10 records
November: 3 records
December: 3 records

Depth and water temperature

Depth

Mostly recorded at 22–164 m · Deepest record: 191.5 m

0–10 m: 2 records
10–20 m: 0 records
20–30 m: 5 records
30–40 m: 0 records
40–50 m: 0 records
50–60 m: 2 records
60–70 m: 6 records
70–80 m: 0 records
80–90 m: 2 records
90–100 m: 0 records
100–110 m: 1 records
110+ m: 7 records

Water temperature

Recorded in surface water of 24–30 °C

24–26 °C: 9 records
26–28 °C: 15 records
28–30 °C: 35 records

Names and classification

English: Kop's Tonguesole, Shortheaded Tonguesole

Other scientific names: Arelia kopsii, Cynoglossus brachycephalus, Cynoglossus kopsi, Cynoglossus praecisus, Cynoglossus versicolor, Plagusia kopsii, Trulla versicolor

Similar species

Speckled Tonguesole
Cynoglossus puncticeps
Fourlined tonguesole
Cynoglossus bilineatus
Bengal tonguesole
Cynoglossus cynoglossus
Cynoglossus sibogae
Suyen's Tongue Sole
Cynoglossus suyeni
Doublelined Tonguesole
Paraplagusia bilineata

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).
221 open-data records from 1851 to 2012.
Species data updated October 26, 2026.

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