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Phylum Chordata > Subphylum Vertebrata > fishes > Order Pleuronectiformes
Three-spot flounder
Grammatobothus polyophthalmus
Family Bothidae
updated Sep 2020

Where seen? This a small specimen of this flattened fish was seen once at Cyrene Reef.

Features:
To about 17cm. Eyes on the left side. Body oval almost circular, it has a tiny pectoral fin on the eyed-side. Dorsal and anal fins separated from the tail fin. Dorsal fin near the head has elongated fin rays. The eyed-side with three large eye-like spots.


Sometimes confused with other flatfishes. The Large-toothed flounder (Family Paralichthyidae) looks very similar but is more oval and has more smaller spots. Here's more on how to tell apart the flatfish families commonly seen.

Cyrene Reef, May 08

Eyes on the left side.

Tail fin separated from the dorsal and anal fins.

Three-spot flounders on Singapore shores
On wildsingapore flickr

Family Bothidae recorded for Singapore
from Wee Y.C. and Peter K. L. Ng. 1994. A First Look at Biodiversity in Singapore.
*Lim, Kelvin K. P. & Jeffrey K. Y. Low, 1998. A Guide to the Common Marine Fishes of Singapore.
+Other additions (Singapore Biodiversity Records, etc).

  Family Bothidae (lefteye flounders)
  +Asterorhombus intermedius (Intermediate flounder)

Coryphillus filiger

+Engyprosopon grandisquama (Largescale flounder)

Grammatobothus polyophthalmus
(Many-eyedflounder)

+Laeops guentheri (Günther’s flounder).

Links

References

  • Kelvin K. P. Lim. Singapore record of largescale flounder, Engyprosopon grandisquama. 16 April 2018. Singapore Biodiversity Records 2018: 45 ISSN 2345-7597. National University of Singapore
  • Kelvin K. P. Lim. 30 Jun 2017. First Singapore record of the Günther’s flounder. Laeops guentheri. Singapore Biodiversity Records 2014: 187.
  • Kelvin K. P. Lim and Ria Tan. 11 Jul 2014. New record of many-eyed flounder (Grammatobothus polyophthalmus) in Singapore. Singapore Biodiversity Records 2014: 187.
  • Toh Chay Hoon & Kelvin K. P. Lim. 28 March 2014. New record of intermediate flounder in Singapore. Singapore Biodiversity Records 2014: 84-85
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