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Suyen's Tongue Sole

Cynoglossus suyeni

  • Fish
  • IUCN: Least concern
  • Usual depth208–421 m
  • Water temperature28–29 °C
  • Best monthsMarch, June, and November
  • How commonRare
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About this species

Cynoglossus suyeni, also known as the Suyen's Tongue Sole, is a species of tonguefish. It is indigenous to the Indo-West Pacific region, found along the coast of the Philippines through Celebes, to the Timor Sea and less common off Taiwan.

Text from the Wikipedia article “Cynoglossus suyeni”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

  • January: 0 records
  • February: 1 records
  • March: 4 records
  • April: 0 records
  • May: 0 records
  • June: 4 records
  • July: 2 records
  • August: 0 records
  • September: 3 records
  • October: 0 records
  • November: 4 records
  • December: 1 records

Depth and water temperature

Depth

Mostly recorded at 208–421 m · Deepest record: 1,112 m

  • 170–180 m: 1 records
  • 180–190 m: 0 records
  • 190–200 m: 0 records
  • 200–210 m: 2 records
  • 210–220 m: 0 records
  • 220–230 m: 0 records
  • 230–240 m: 0 records
  • 240–250 m: 4 records
  • 250–260 m: 1 records
  • 260–270 m: 1 records
  • 270–280 m: 1 records
  • 280+ m: 9 records

Water temperature

Recorded in surface water of 28–29 °C

  • 26–28 °C: 1 records
  • 28–30 °C: 19 records

Names and classification

English
Suyen's Tongue Sole, Suyen’s Tongue Sole
Names in 1 more languages
Simplified Chinese
扁魚, 書顏舌鰨, 比目魚, 牛舌, 皇帝魚, 龍舌

Other scientific names: Cynoglossus beauforti

Similar species

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).
  • 31 open-data records from 1908 to 1990.
  • Species data updated October 26, 2026.

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