Abudefduf sordidus   (Forsskal,  1775) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 21-23 cm.

Color: Brownish, lighter below with 4-5 pale yellow cross bars below dorsal. A black saddle on caudal peduncle just behind dorsal. Pectoral hyaline with a black blotch superiorly at its base. Ventral dusky. Dorsal and anal brownish. Caudal brownish, pale posteriorly.

Head 2.7-2.9 in standard length, 3.7-4.0 in total length. Depth of body 1.7-1.9 in standard length, 2.3-2.5 in total length. Eye diameter 3.3-3.7 in head, 1.1-1.4 in snout and 1.0-1.3 in interorbital space. Mouth oblique, reaching to below nostril. Teeth in a single series in jaws, truncate. Posterior part of suborbital scales. Three rows of scales on preoperculum, flange naked. Ventral fin with the first ray produced, equal to head. Pectoral fin as long as ventral. None of the opercular bones serrated. Scales on upper part of head reaching to anterior part of inter orbital space, not reaching nostrils. First dorsal spine equal to eye, less than eye in young. Third and fourth dorsal spines generally longest, equal to snout and eye in young, half diameter of eye shorter in adults. Spines decreasing in size posteriorly, the last one equal to eye, in some specimens the posterior spine are only slightly shorter than the longest. Median dorsal rays longest, equal to snout and eye. First anal spine less than half length of second, which is equal to snout in adults, and one eye diameter longer in young ones. Soft anal similar yo soft dorsal. Ventrals with the first ray produced into a filament, sub equal to pectorals and almost as long as head. Caudal moderately forked, the lobes rounded. Four scales between lateral line and scaly sheath of dorsal below last spine.
Number of spines and rays in the dorsal fin: XIII, 15; number of spines and rays in the anal fin: II, 14-15; number of rays in the pectoral fin: ii, 15-16; number of spines and rays in the ventral fin: I, 5; number of scale rows along the lateral line: 20-21+8-9; number of horizontal scale rows usually counted from origin of the dorsal fin to the lateral line and from anal origin to the lateral line: 4+1+12.

Remarks: Values in above description denote proportions.

Synonym (s)
Abudefduf tridentatus Clark, 1938
(Junior synonym)
Chaetodon sordidus Forsskal, 1775
(Senior synonym)
Glyphidodon adenensis Gunther, 1867
(Ambiguous synonym)
Glyphidodon leucopleura Day, 1877
(Junior synonym)
Glyphisodon geant Lienard, 1829
(Ambiguous synonym)
Glyphisodon gigas Lienard, 1839
(Ambiguous synonym)
Chaetodon sordidus Forskal, 1775
Abudefduf sordidus de Beaufort, 1940
Glyphidodon sordidus Day, 1878
Pomacentrus sordidus Lacepede, 1802
Pomacentrus sordidus Ruppell, 1828
Glyphisodon sordidus Cuvier and Valenciennes, 1830
Glyphisodon sordidus Bleeker, 1847
Glyphidodon sordidus Gunther, 1862
Glyphidodon sordidus Kner, 1865
Glyphidodon sordidus Klunzinger, 1871
Glyphidodon (Glyphidodon) sordidus Bleeker, 1877
Glyphidodon sordidus Gunther, 1881
Glyphisodon sordidus Sauvage, 1891
Glyphidodon sordidus Waite, 1899
Glyphisodon sordidus Jordan ans Snyder, 1902
Abudefduf sordidus Jordan and Evermann, 1905
Abudefduf sordidus Jordan and Seale, 1906
Glyphidodon sordidus Gilchrist and Thompson, 1908
Abudefduf sordidus Kendall and Radcliffe, 1912
Abudefduf sordidus Jordan, Tanaka and Snyder, 1913
Abudefduf sordidus M. Weber, 1913
Glyphisodon sordidus McCulloch and Waite, 1916
Abudefduf sordidus Jordan and Jordan, 1925
Glyphisodon sordidus Barnard, 1927
Abudefduf sordidus Montalban, 1927
Abudefduf sordidus Fowler and Bean, 1928
Abudefduf sordidus Fowler, 1928

Common Name (s)
• Blackspot Sergeant (English)
• Lafiburang (Mahl)
• Padatham (Malayalam)
• Black-saddle Demoiselle
Economic Importance and Threats
Importance:  Commercial
(Fisheries, aquarium, ornamental fish)

Habitat:  Bentho Pelagic, Reef Associated, Estuarine
Trophic Level:  Consumer
Prey:  Plants, algae, crustaceans and other invertebrates


• Lakshadweep, Chettalatt INDIA
• Lakshadweep, Kalpeni INDIA
• Lakshadweep, Kilttan INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• Andaman and Nicobar Islands, Andaman Island INDIA
• Andaman and Nicobar Islands, Nicobar Island INDIA
• Andaman and Nicobar Islands, North Reef Island INDIA
• Karnataka, Netrani Island INDIA
• Lakshadweep Islands INDIA (Record: 11/1993-01/1997)
• Lakshadweep, Minicoy Island (Lat: 8.11) (Long: 73.3) INDIA
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Jones, S and Kumaran, M (1980) Fishes of the Laccadive Archipelago The Nature Conservation and Aquatic Sciences Service, Trivandrum, Kerala 760 pp Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Beaufort, LF (1940) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 8 508 pp Available at - NIO, Goa
  • Rao, GC; Rao, DV and Devi, K (1994) A faunal exploration of the North Reef Island sanctuary, North Andaman Journal of the Andaman Science Association Andaman Science Association, Port Blair 10(1&2) 68-81 Available at - NIO, Goa
  • Jones, S. (1969) Catalogue of fishes from the Laccadive Archipelago in the reference collections of the Central Marine Fisheries Research Institute. Bulletin of Central Marine Research Institute CMFRI, Cochin 8 1-35 Available at - http://eprints.cmfri.org.in/569/1/Bulletin_8.pdf
  • Thomas, S; Sreeram, MP; Kakati, VS; Manisseri, MK and George, RM (2011) Coral fish diversity in Netrani waters off Murudeshwar Karnataka, south India Indian journal of fisheries CMFRI 58(1) 45-51 Available at - http://eprints.cmfri.org.in/8473/1/IJF_Sujitha_45-51.pdf
  • Murty, VS (2002) Marine ornamental fish resources of Lakshadweep CMFRI Special Publication CMFRI 72 1-134 Available at - http://eprints.cmfri.org.in/3536/1/Special_Publication_No_72.pdf
  • Jones, S and Kumaran, M (1959) The fishing industry of Minicoy Island with special reference to the tuna fishery Indian Journal of Fisheries Indian Council of Agricultural Research 6 (1) 30-57 Available at - http://eprints.cmfri.org.in/1866/1/Article_04.pdf
  • 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
  • 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 - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.pdf

Page last updated on:2011-12-02

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