Stegastes nigricans   (Lacepede,  1802) (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Perciformes
Family:Pomacentridae

Image copyrights: John E. Randall

Description
Size: 14 cm.

Color: Adults generally brown; dorsal part of head and nape darker, grading to tan on lower part of head and breast. The scales have darker brown margins. The lips are whitish lips; the suborbital is mostly blue; the preopercle and opercle scales with blue centers. The median and pelvic fins are brown; the pectorals are dusky; a well-defined dark brown or blackish spot is sometimes present at base of posteriormost dorsal rays, which distinguishes it from S. lividus where the spot is diffuse. Males in courtship or guarding eggs with broad white bar across middle of body and pale blue stripe from mouth to upper part of pectoral fin.

Dorsal spines (total): 12; Dorsal soft rays (total): 14 - 17; Anal spines: 2; Anal soft rays: 12 - 14.

Synonym (s)
Abudefduf tamaii Aoyagi, 1941
(junior synonym)
Abudefduf tsamaii Aoyagi, 1941
(junior synonym)
Eupomacentrus nigricans (Lacepede, 1802)
(senior synonym)
Holocentrus nigricans Lacep├Ęde, 1802
(senior synonym)
Parapomacentrus nigricans (Lacepede, 1802)
(senior synonym)
Pomacentrus lividus (non Forster, 1801)
(misapplied name)
Pomacentrus nigricans (Lacepede, 1802)
(senior synonym)
Pomacentrus scolopseus Quoy & Gaimard, 1825
(junior synonym)
Pomacentrus scolopsis Gunther, 1862
(junior synonym)
Pomacentrus subniger De Vis, 1885
(junior synonym)
Pomacentrus taeniops Cuvier, 1830
(junior synonym)
Segastes nigricans (Lacepede, 1802)
(senior synonym)

Common Name (s)
• Dusky farmerfish (English)
Economic Importance and Threats
Importance:  Commercial
(Aquarium.)

Ecology
Habitat:  Reef Associated
Trophic Level:  Consumer
Prey:  Algae, gastropods, sponges, and copepods.

Biogeography


• Lakshadweep, Kavaratti Atoll (Lat: 10.55) (Long: 72.63) INDIA (Record: 01/1991-06/1992)

Literature Source(s)
  • Anand, PEV and Pillai, NGK (2005) Community organization of coral reef fishes in the rubble sub-habitat of Kavaratti Atoll, Lakshadweep, India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 47(1) 77-82 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
  • Encyclopedia of Life Available at - http://www.eol.org/
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org

Page last updated on:2010-05-10

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