Pseudosciaena diacanthus   (Lacepede,  1936) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 150 cm.

Color: In adult more or less deeply grayish or brown on back, silvery below, fins yellowish with black dots, in immature fins grayish with dark edges, or totally brown or black, in young dorsally on head, back, dorsal and caudal fins with numerous irregular black spots of different size or vertically banded.

Oblong, compressed, dorsal profile ascending from snout in a nearly straight line to dorsal, further on highly convex in adult, ventral profile straight. Height over 3 to nearly 4 in length, head bluntly pointed, slightly longer. Eye situated in anterior half of head, far distant above horizontal through commencement of cleft of mouth, 5 to more than 6 in head, equal to or somewhat less than convex inter orbital space and convex snout, the free border of which has a lateral incision but occasionally no conspicuous pores on top. Mouth feebly oblique, upper jaw slightly the longer, reaching to hind border of eye or somewhat surpassing distally not concealed, not much expanded and truncate, below mandibulary symphysis a median tubercle in a grave, on both sides two conspicuous pores. Entire hind border of preopercle in adult weakly denticulate, at angle in young, opercle with two weak spines, post temporal serrated. Teeth in inter maxillaries in an inner narrow villi form band and an outer row of somewhat enlarged distant conical ones, in mandibularies an outer villi form series and an inner row of distant unequal conical teeth, no canine teeth, on canine-like above and below. Scales in anterior part of head cycloid, otherwise ciliate, predorsally smallest, lateral line arched concurrent with dorsal profile, anterior sensory tubes branched. Soft dorsal and anal with a low scaly sheath. Base of spinous dorsal less than twice in that of rounded soft dorsal, spines slender, third and fourth highest, about half height of body. Base of anal nearly four times in soft dorsal, originating before middle of that fin, spines moderate, the second much shorter than first ray, up to twice longer than eye. Pectorals acutely rounded, nearly equaling head without snout, Ventrals as long as postocular part of head. Caudal rhombic, more pointed in young, least height of its peduncle one third longer than eye.

Remarks: Values in above description denote proportions.

Synonym (s)
Lutjanus diacanthus Lacepede, 1802
Johnius cataleus Cuvier, 1829
Corvina catalea Cuvier and Valenciennes, 1830
Corvina catalea Valenciennes, 1834
Johnius Valenciennii Eydoux and Souleyet, 1841
Johnius catalea Bleeker, 1845
Corvina catalea Bleeker, 1850
Johnius diacanthus Cantor, 1850
Corvina chaptis Bleeker, 1853
Johnius diacanthus Bleeker, 1857
Johnius chaptis Blyth, 1861
Sciaena diacanthus Gunther, 1860
Sciaena diacanthus Day, 1865
Johnius diacanthus Kner, 1865
Corvina diacanthus Bleeker, 1872
Pseudosciaena diacanthus Bleeker, 1877
Sciaena diacanthus Day, 1889
Sciaena diacanthus Duncker, 1904
Sciaena diacanthus Johnstone, 1904
Pseudosciaena diacanthus Seale, 1910
Sciaena diacanthus Vinciguerra, 1926
Sciaena diacanthus Pillay, 1929
Corvina nigromaculata Borodin, 1930
Johnius diacanthus Herre, 1931
Sciaena diacanthus Herre and Myers, 1931
Johnius diacanthus Fowler, 1933

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• INDIA (Record: 1936)
• Andhra Pradesh INDIA
• Orissa INDIA
• Tamil Nadu INDIA
• Kerala INDIA
• South East Coast

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Weber, M; Beaufort, LF (1936) The fishes of the Indo-Australian Archipelago Print times, Pataudi house, Daryaganj, New Delhi 7 607 pp Available at - NIO, Goa
  • Rao. TA (1976) Relative abundance of sciaenids along Andhra-Orissa coast Indian Journal of Fisheries 23 (1&2) 201-212 Available at -
  • Biswas, KP (2009) Fishes around Indian Ocean Dominant Fish Groups Occurring in Indian Coasts Daya publishing house Available at - NIO,Goa
  • Biswas, KP (2009) Fishes around Indian Ocean Fishery Resources Daya publishing house Available at - NIO,Goa
  • Biswas, KP (2009) Fishes around Indian Ocean Coastal Fishery Resources in Countries Bordering Indian Ocean Daya publishing house Available at - NIO,Goa

Page last updated on:2012-01-16

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