Pseudorhombus arsius (Hamilton, 1822)
Largetooth flounder
Dapa,  Smooth-scaled brill,  Dali-dali,  Dapal,  Dapang bilog,  Higda,  Palad,  Sunogan,  Tampal
Pseudorhombus arsius
photo by Schulz, S.

Family:  Paralichthyidae (Large-tooth flounders)
Max. size:  45 cm TL (male/unsexed)
Environment:  demersal; depth range 0 - 200 m, oceanodromous
Distribution:  Indo-West Pacific: Persian Gulf and east coast of Africa (south to Algoa Bay and perhaps to Knysna, South Africa) to Fiji, north to southern Japan, south to the northern coast of Australia.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 71-84; Anal spines: 0-0; Anal soft rays: 53-62; Vertebrae: 36-36. Some pairs of moderately large canines in anterior part of both jaws, 6 to 13 lateral teeth in lower jaw, stronger and more widely spaced than those of upper jaw. Gill rakers pointed, longer than broad. Soft ray count of pectoral fin refers to that on ocular side (Ref 9774).
Biology:  Found in shallow waters and estuaries, on mud and sand bottoms, to depths of 200 m (Ref. 30573). Juveniles common in brackish water (Ref. 9774). Feeds on benthic animals (Ref. 5213). Mainly sold fresh (Ref. 9774).
IUCN Red List Status: Not Evaluated (Ref. 115185)
Threat to humans:  harmless
Country info:  Known from northwestern Mindanao to southern and western Luzon, 'Albatross' collections. Museum: Davao, USNM 137985. Malabang, USNM 137986. Cavite Mkt., USNM 137987. Manila Mkt., USNM 137988, 137993, 137996. North of Malampaya R., USNM 137989. Mantaquin B., Palawan, USNM 137990. Endeavor Pt., in 14 - 25 fathoms (26 - 46 m), Stn. 5342, USNM 137991. Abuyog, Leyte, USNM 137992. Outside Harbor of Manila Bay, USNM 137994. Iloilo Mkt., USNM 137995, 138000. Ragay R., tidewater, USNM 137998. Samar I., Catbalogan, USNM 137999. Cuyo Is., USNM 138001 (Ref. 11790). LACM 42475-33 (Ref. 9494). Also Ref. 4900, 9494.

Entered by: Froese, Rainer - 17.10.90
Modified by: Garilao, Cristina V. - 17.07.99
Checked by: Amaoka, Kunio - 04.10.95

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