Arnoglossus brunneus (Fowler, 1934)
Brown lefteye flounder
Dapang bilog
Arnoglossus brunneus
photo by Sandra J. Raredon / Smithsonian Institution, NMNH, Div. of Fishes

Family:  Bothidae (Lefteye flounders)
Max. size:  18.3 cm TL (male/unsexed)
Environment:  bathydemersal; marine; depth range 267 - 292 m
Distribution:  Western Central Pacific: known only from the east coast of Luzon, Philippines.
Diagnosis:  Dorsal soft rays (total): 108-113; Anal soft rays: 84-89. Distal end of pectoral fin on eyed side not blackish. Males without anterior dorsal-fin rays elongate (Ref 42535).
Biology:  Feeds on bottom-living animals.
IUCN Red List Status: Data deficient (DD); Date assessed: 11 November 2019 Ref. (130435)
Threat to humans:  harmless
Country info:  Museum: 'Albatross' collections, as Bothus brunneus: East coast of Luzon, in 146 fathoms (267 m), Stn. D. 5453, USNM 93074 (Holotype, 18.3 cm.) (Ref. 311); Sombrero I., Batangas, 118 fathoms (216 m), USNM 93543, and; Uanivan I., Batanes, USNM 93544 (paratypes) (Ref.11790). Also Ref. 9824, 9494.


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