Alectis indica   (Ruppell,  1830) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Ken Leonard

Size: 50-150 cm.

Color: Silvery with golden hue, five vertical bands in young.

Front dorsal and anal spines elongate when young but disappear with growth. Highest breadth 1 ¾ to 3 in total length. Body is much compressed laterally and rhomboidal when young and elongated with age. Head rather large, elevated 2.75-3.25 in length, its rostro-dorsal profile strongly ascending to dorsal fin, with an occipital gibbosity, the rostro-frontal profile steepest, with a concavity before eye. Eye small with rudimentary adipose eyelid, 3.5-4 in head. Height of praeorbital almost or quite twice diameter of eye. Snout somewhat pointed, gape of mouth oblique, chin prominent, maxillary reaching front border of eye or surpassing it slightly. Anterior part of lateral line curved, becoming straight below 10th dorsal ray, the straight part with more or less distinct keels, forming 8-12 weak scutes on caudal peduncle. Soft median fins with the majority of the rays of somewhat triangular form, their anterior part, in the dorsal the anterior seven or eight rays gradually elongated and with filiform termination, in the anal this is the case with the three or four anterior rays. Pectorals falciform, longer than the three or four anterior rays. Pectorals falciform, longer than the head. Ventrals in young with the two outer rays produced till caudal, in specimens of about 15 cm.

Remarks: Values in above description denote proportions.

Synonym (s)
Scyris indica Ruppell, 1828
Caranx gallus Day, 1878
Alectis indica Ogilby, 1915
Zeus gallus Bloch, 1801
Scyris indica Cuvier and Valenciennes, 1833
Scyris indicus Ruppell, 1837
Gallichthys major Bleeker, 1845
Scyris indicus Cantor, 1850
Carangoides gallichthys Bleeker, 1851
Caranx gallus Gunther, 1860
Carangoides gallus Bleeker, 1861
Citula gallus Bleeker, 1863
Caranx gallus Klunzinger, 1871
Caranx gallus Gunther, 1876
Caranx gallus Macleary, 1881
Scyris gallus Klunzinger, 1884
Blepharis gallus Sauvage, 1891
Scyris indica Fowler, 1905
Alectis ciliaris Jordan and Seale, 1907
Alectis major Jordan and Richardson, 1908
Alectis indicus Bean and Weed, 1912
Alectis gallus M. Weber, 1913
Alectis indica McCulloch, 1919
Scyris indica Fowler and Bean, 1922
Alectis indicus D. St. Jordan and E. K. Jordan, 1925
Alectis major Wakiya, 1924
Alectis gallus Hora, 1924
Alectis indicus Barnard, 1927
Scyris indica Fowler, 1928

Common Name (s)
• Indian Threadfin Trevelly (English)
Economic Importance and Threats

Habitat:  Coastal
Trophic Level:  Consumer
Prey:  Young ones feed on zoea larvae, amphipods, cirripede larvae and copepods


• Tamil Nadu, Gulf of Mannar INDIA
• Kerala, Vizhinjam INDIA
• Tamil Nadu, Kovalam INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Bal, DV and Rao, KV (1984) Marine fisheries Tata McGraw-Hill Publishing Company Limited 470 pp Available at - NIO, Goa
  • 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
  • PBase Available at -
  • 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 -
  • Varghese, M; Manisseri, MK; Ramamurthy, N; Geetha, PM; Thomas, VJ and Gandhi, A (2011) Coral reef fishes of Gulf of Mannar, S.E of India Fishing Chimes CMFRI 31(1) 38-40 Available at - NIO, Goa
  • Sreenivasan, PV (1974) On two new records of carangid fishes from Indian seas Indian Journal of Fisheries Indian Council of Agricultural Research 21 (1) 20-28 Available at -
  • Radhakrisnan, EV; Kathirvel, M; Devarajan, K; Vijayakumaran, M; Poovannan, P; Thangavelu, R; Hameed, KS; Sankaralingam, S; Ramakrishnan, A and Thangar, VS (1989) An unusual congregation of organisms in the catches off Kovalam, Madras Marine fisheries information service ICAR 99 16-18 Available at - NIO, Goa

Page last updated on:2011-07-18

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