Smalleye Flounder, Arnoglossus micrommatus Amaoka, Arai & Gomon 1997

Other Names: Flimsy Flounder

A Smalleye Flounder, Arnoglossus micrommatus, trawled off Esperance, Western Australia, May 2014. Source: Chris Dowling / Flickr. License: All rights reserved

A pale greyish-brown flounder with three dusky spots along the straight part of the lateral line, widely spaced small dark spots along the pelvic, dorsal and anal fins, and a whitish underside. The species has a prominent hump on the snout before the eyes.

Cite this page as:
Bray, D.J. 2024, Arnoglossus micrommatus in Fishes of Australia, accessed 19 May 2024,

Smalleye Flounder, Arnoglossus micrommatus Amaoka, Arai & Gomon 1997

More Info


Endemic to southern Australia, from the Gulf St Vincent, South Australia, to off Albany, Western Australia.
Inhabits sandy areas in depths to 60 m.


Dorsal fin 87-97; Anal fin 67-76; Pectoral fin 9-12; Pelvic fin 6; Caudal fin 14-16; Gill rakers 6-8; Lateral line scales 52-62; Vertebrae 11 + 28-29 = 39-40.
Body depth 43-47% SL; head length 20-25% SL; upper eye diameter 18-24% HL; upper jaw length 32-35% HL; prominent hump on snout in front of eyes; gill rakers serrated on posterior margin; scales ctenoid on eyed side, very weakly attached.


Occurs in prawn trawl grounds.


The specific name micrommatus, is derived from the Greek mikros (= small) and omma (= eye), in reference to the small eyes of this species. 

Species Citation

Arnoglossus micrommatus Amaoka, Arai & Gomon 1997, Ichthyological Research 44(2): 131, fig. 1. Type locality: off Albany, Western Australia, depth 12-16 m. 


Bray, D.J. 2024


Atlas of Living Australia

Smalleye Flounder, Arnoglossus micrommatus Amaoka, Arai & Gomon 1997


Amaoka, K., Arai, M. & Gomon, M.F. 1997. A new species of Arnoglossus (Pleuronectiformes: Bothidae) from the southwestern coast of Australia. Ichthyological Research 44(2-3): 131-136 figs 1-3

Amaoka, K., Matsuura, K. & Carpenter, K.E. 2020. Arnoglossus micrommatus. The IUCN Red List of Threatened Species 2020: e.T143819484A143844417. Accessed on 27 February 2024.

Gomon, M.F. 1994. Family Bothidae. pp. 844-850, figs 747-752 in Gomon, M.F., Glover, C.J.M. & Kuiter, R.H. (eds). The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs. (as Arnoglossus sp.)

Gomon, M.F. 2008. Family Bothidae.pp 808-810 in Gomon, M.F., Bray, D.J. & Kuiter, R.H. (eds). Fishes of Australia's Southern Coast. Sydney : Reed New Holland 928 pp.

Quick Facts

CAAB Code:37460059

Conservation:IUCN Least Concern

Depth:5-60 m

Habitat:Soft sediment areas

Max Size:17 cm TL


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