Polynemus microstoma   Bleeker,  1851 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 25 cm.

Color: In alcohol specimens golden, brownish above. Fins yellowish, first dorsal and anal more or less dusky, as well as free border of second dorsal. A black blotch in the beginning of the lateral line, above origin of pectorals, a similar blotch sometimes present on operculum.

Elongate. Height 3-3.2, 4-4.1 in length with caudal. Head 2.8-3, 3.6-4 in length with caudal. Eyes covered by a gelatinous membrane, 3.8-4, equal to interorbital space, and twice in postorbital part of head. Snout shorter than eye, prominent. Mouth large, reaching behind eye. Maxillaries scaly, 2.4 in head. Head covered with scales to tip of snout. Anterior and posterior nostrils close together, midway between end of snout any eye. Praeoperculum rather coarsely serrated along its hindborder, its angle produced and rounded. Upper lip absent, lower lip well developed but not continuous at symphysis. Small bands of villiform teeth in both jaws, not extending to outside of jaws. Similar bands on the palatines. No teeth on vomer. Origin of first dorsal between that of pectorals and ventrals. First dorsal spine very small, second one the strongest but not as long as the third and more or less longer than postorbital part of head. Origin of second dorsal conspicuously in advance of that of anal. Spine of second dorsal shorter than second one of first dorsal and equal to second anal spine. First anal spine minute. Second dorsal and anal concave. Dorsals, anal and proximal part of caudal scaly. Caudal deeply forked, the lobes pointed. Pectorals somewhat falciform, longer than postorbital part of head, 13 of its rays divided. The upper, longest pectoral filament reaches to middle of ventrals. Ventrals nearly as long as pectorals. Distance between origin of ventrals and anal much less than length of head. Scales finely striated and with a crenulated hindborder.

Remarks: Values in above description denote proportions.

Synonym (s)
Polynemus zophomus M. Weber, 1913
Polydactylus zophomus Seale, 1910
Polydactylus zophomus Jordan and Richardson, 1908
Polydactylus zophomus Jordan and Seale, 1907
Polynemus zophomus Jordan and Mc Gregor, 1906
Polynemus plebejus Cuvier and Valenciennes, 1829
Polynemus plebeius Cantor, 1850
Polynemus microstoma Bleeker, 1851
Polynemus plebejus Gunther, 1860
Trichidion microstoma Bleeker, 1878

Common Name (s)
Economic Importance and Threats



• Tamil Nadu, Mandapam INDIA
• Andhra Pradesh, Off Visakhapatnam (Lat: 17.73) (Long: 83.55) INDIA (Record: 04/1989-03/1990) (Depth: 50 mts)

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Weber, M; Beaufort, LF (1922) The fishes of the Indo-Australian Archipelago Print times, Pataudi house, Daryaganj, New Delhi 4 410 pp Available at - NIO, Goa
  • Murty, VS (1969) Catalogue of fishes (excluding from the Laccadives) in the reference collections of the Central Marine Fisheries Research Institute Bulletin of Central Marine Research Institute CMFRI, Cochin 10 1-38 Available at - http://eprints.cmfri.org.in/571/1/Bulletin_10.pdf
  • Sujatha, K (1995) Finfish constituents of trawl by-catch off Visakhapatnam Fishery Technology Society of Fisheries Technologists 32(1) 56-60 Available at - NIO, Goa

Page last updated on:2012-01-03

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