Ambassis nalua   (Hamilton,  1822) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Satapoomin, U.

Size: 12.5 cm.

Color: In alcohol specimens yellowish, sides of head and lateral band silvery. The membrane between second and third dorsal spine more or less dusky, darker in its terminal part, where it forms a black spot. In young specimens a dark stripe along base of soft dorsal and anal, continued behind these fins on caudal peduncle in the median dorsal and ventral line.

Rather elevate, dorsal profile concave above eye, slightly convex between occiput and dorsal. Height 2-2.7, 2.5-3.5 in length with caudal. Head 2.5-2.8, 3.5-3.6 in length with caudal. Eye 2.4-2.9. Snout shorter than eye and somewhat less than interorbital space, which is four seventh or five seventh of eye. Mouth very oblique. Maxillary reaching to below frontborder of eye, its posterior end dilated, truncate at right angle, with the hindborder emarginate and the corners rounded. Teeth small, pointed, in two rows in jaws, in a single row on vomer and palatines. No teeth on tongue. Praeorbital rather strongly serrated as also lower edge and inner ridge of praeoperculum, the last with a stronger spine at angle. Orbital rim rough with a few blunt spines in its posterior part. Supraorbital ridge ending in a spine posteriorly. Interoperculum smooth or with a few very small indistinct spines near posterior angle. Two rows of scales on cheeks. Dorsal separated by 11-13 scales from occiput. First dorsal spine small, second one equal to head without snout or somewhat longer, third dorsal spine as long as snout and eye together, eighth spine slightly shorter than second and third anal spine which are about of the same length and equal to postorbital part of head. Pectorals as long as second dorsal spine, ventrals somewhat shorter. Caudal deeply forked. Lateral line continuous, with a gentle curve below dorsal. Least height of caudal peduncle about equal to its length and to postorbital part of head.

Remarks: Values in above description denote proportions.

Synonym (s)
Ambassis nalua Cuvier and Valenciennes, 1828
Chanda nalua Cantor, 1850
Ambassis nalua Bleeker, 1853
Ambassis nalua Kner, 1867
Ambassis nalua Bleeker, 1877
Ambassis nalua Day, 1878
Ambassis malua (Hamilton, 1822)
Chanda nalua Hamilton, 1822

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal, Estuarine


• West Bengal, Calcutta INDIA
• Andaman and Nicobar Islands, Andaman INDIA
• Tamil Nadu, Rameswaram INDIA
• Andaman and Nicobar Islands INDIA
• West Bengal (Lat: 21.45) (Long: 87.9) INDIA

Literature Source(s)
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • UNEP World Conservation Monitoring Centre Available at -
  • Chatterjee, TK; Talukdar, RS and Mukherjee, AK (2000) Fish and fisheries of Digha coast of West Bengal Occasional paper no 188 Records of the Zoological Survey of India 31778 Available at - NCL, Pune
  • Tongnunui, P; Ikejima, K; Yamane, T; Horinouch, M; Medej, T; Sano, M; Kurokura, H and Taniuchi, T (2002) Fish fauna of the Sikao Creek mangrove estuary,Trang, Thailand Fisheries Science 68 Available at - NCL, Pune
  • Day, F (1981) The fishes of Malabar 1-281 Available at - CMFRI, Kochi
  • Suppa, M; Suebsin, S; Suri, V and Songsirikul, T (1997) Checklist of fishes in Thailand Office of Environmental Policy and Planning 1-353 Available at - CMFRI, Kochi
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Weber, M; Beaufort, LF (1929) The fishes of the Indo-Australian Archipelago E. J. Brill Ltd. 5 458 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 -
  • Talwar, PK (1990) Fishes of Andaman and Nicobar Islands: A synoptic survey Journal of the Andaman Science Association Andaman Science Association, Port Blair 6(2) 71-102 Available at - NIO,Goa
  • Das, P; De, SP; Bhowmik, RM; Pandit, IK; Sengupta, R; Nandi, AC; Thakurta, SC and Saha, S (2007) Piscine diversity of West Bengal Fishing chimes 27(5) 15-28 Available at - NIO, Goa

Page last updated on:2012-01-10

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