Decapterus macrosoma   Bleeker,  1851 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Mya Than Tun

Size: 24-35 cm.

Color: Greenish above, silvery below, a distinct back opercular spot, spot, fins light.

Elongate, scarcely compressed, rather low, its height about 5.5 in body, head somewhat more or less than 4, pointed. Eye 4 to nearly 5 in head, slightly less than inter orbital space, and much less than length of snout, which goes thrice in head. Maxillary terminating before front border of eye, slightly shorter than mandibulary. Sub-operculum with the posterior margin somewhat concave, slightly descending forward, margin of opercular membrane in older specimens finely serrated. Teeth small, wanting in upper jaw a few only in a single series anteriorly, on vomer anteriorly in a transverse line, palatines edentulous, a narrow band in the middle of posterior part of tongue. Anterior part of lateral line descending in a straight line and scarcely arched below anterior third of soft dorsal, about below the thirteenth dorsal ray it passes over to the straight posterior part with about 60 scales, the posterior 27 to 28 of which are distinct scutes, the highest of which are over half diameter of eye. Spinous dorsal higher than soft dorsal, the second third and fourth spine the longest, but much lower than body, soft dorsal nearly thrice in length. Rayed anal of similar form but shorter. Dorsal and anal finlet slightly longer than last connected rays. Pectorals with 22-23 rays, longer than head without snout. Ventrals less than twice in head. Caudal deeply concave, its lobes acute.

Remarks: Value in above description denote proportions.

Synonym (s)
Decapterus lajang Bleeker, 1855
Caranx macrosoma Gunther, 1860
Gymnepignathus macrosoma Gill, 1862
Decapterus macrosomus Evermann and Seale, 1907
Decapterus macrosomus Wakiya, 1924
Decapterus macrosoma Barnard, 1927

Common Name (s)
• Slender Scad (English)
• Shortfin Scad (English)
• Layang Scad (English)
Economic Importance and Threats
Importance:  Commercial
(Marketed fresh or frozen, dried and salted, used as fish bait)

Habitat:  Pelagic, Reef Associated, Coastal
Prey:  Planktonic invertebrates


• Bay of Bengal INDIA (Record: 02/1985-06/1987)
• Andhra Pradesh INDIA
• Kerala, Vizhinjam INDIA
• Kerala INDIA
• Arabian Sea INDIA (Record: 02/1985-06/1987)
• Andhra Pradesh, Vishakhapatnam INDIA
• Andaman and Nicobar Islands (Lat: 13.75) (Long: 94.25) INDIA
• Andaman and Nicobar Islands (Lat: 6.75) (Long: 92.16) INDIA

Literature Source(s)
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Lamberth, SJ; Clark, BM and Bennet, BA (1995) Seasonality of beach seine catches in False Bay, South Africa and implications for management South African Journal of Marine Science 15 157 - 167 Available at - NIO, Goa
  • Allen, BR and Cliff, G (2000) Sharks caught in the protective gill nets off Kwazulu-Natal, South Africa. 9. The spinner shark Carcharhinus brevipinna (Muller and Henle) South African Journal of Marine Science 22 199-215 Available at - NIO, Goa
  • Michel, P; Francis, M; Yves, C; Vincent, L; Richard, S; Olivier, M and Menard, F (2007) Forage fauna in the diet of three large pelagic fishes (lancetfish, swordfish and yellowfin tuna) in the Western equatorial Indian Ocean Science Direct (Fisheries Research) 83 60-72 Available at - NCL Information Division
  • Tun, MT (2001) Marine fishes of Myanmar (pelagic and demersal) U Than Tun, Director-General, Department of Fisheries, Ministry of Livestock and Fisheries, Myanmar 276 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Weber, M; Beaufort, LF (1931) The fishes of the Indo-Australian Archipelago Print times, Pataudi house, Daryaganj, New Delhi 6 448 pp Available at - NIO, Goa
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 pp Available at - NIO, Goa
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean; (Fishing area 51). FAO, Rome 1 Available at -
  • Bijukumar, A and Deepthi, GR (2009) Mean trophic index of fish fauna associated with trawl bycatch of Kerala, southwest coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 51(2) 145 - 154 Available at - NIO, Goa
  • Balachandran, K and Nizar, MA (1990) A check list of fishes of the Exclusive Economic Zone of India collected during the research cruises of FORV Sagar Sampada Proceedings of the first workshop on scientific results of FORV Sagar Sampada CMFRI, Cochin 305-324 Available at -
  • Ramani, K; Ammini, PL; Srinivasan, J; Najeemudeen, SH; Beena, MR; George, KP; Seynudeen, MB; Subbaraman, G; Anandan, K; Khambadkar, LL; Augustine, SK; Pugazhendi, D; Rudhramurthy, N; Subramani, S; Seetharaman, S; Batcha, HK and Sankaralingam, S (2010) An overview of marine fisheries in India during 2007 Marine Fisheries Information Service CMFRI, Kochi 203 1-14 Available at - NIO, Goa
  • Shameem, A and Dutt, S (1986) Fishes of the family carangidae from Visakhaptnam: List if species and new records from the Indian seas Journal of the marine biological association of India The marine biological association of India 28(1&2) 159-162 Available at - NIO, Goa
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at -
  • Biswas, KP (2009) Fishes around Indian Ocean Reef Fishes Daya publishing house Available at - NIO,Goa
  • Roy, SD; Rajan, PT and Soundararajan, S (2006) Marine food fishes of Andaman and Nicobar islands Fishing Chimes 25(10) 108-110 Available at - NIO, Goa

Page last updated on:2012-01-30

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