Gymnocaesio gymnoptera   Bleeker,  1856 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 18 cm TL

Color: Body bluish green dorsally; silvery white ventrally. Axil of pectoral fin black; center of scales lighter, giving a striped appearance. Tips of caudal lobes black.

Body slender, elongate and fusiform. Usually 4 scales on cheek; usually 23-26 predorsal scales; dorsal and anal fins without scales. Upper peduncular scale rows usually 11 (11-12); lower peduncular scale rows usually 14 or 15 (13-15). Post maxillary with 2 processes; posterior end of maxilla tapered. Unlike the species of Caesio and Pterocaesio, the anterior profile of the 1st anal pterygiophore is without a pronounced distal convexity.

Fertilization external

Synonym (s)
Caesio gymnopterus Bleeker, 1856
Gymnocaesio gymnopterus (Bleeker, 1856)

Common Name (s)
• Slender Fusilier (English)
Economic Importance and Threats
Importance:  Commercial
(Utilized as tuna bait fish.)

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Feeds on zooplankton in large midwater aggregations


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands (Lat: 12.53) (Long: 92.82) INDIA
• Andaman and Nicobar Islands, Port Blair 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
  • Rajan, PT (2003) A field guide to marine food fishes of Andaman and Nicobar Islands ZSI, 234/4, AJC Bose Road, 2nd MSO Building, (13th Floor), Nizam Palace, Kolkata-700 020 260 pp Available at - NCL, Pune
  • Letourneur, Y; Chabanet, P; Durville, P; Taquet, M; Teissier, E; Parmentier, M; Quero, JC and Pothin, K (2004) An updated checklist of the marine fish fauna of Reunion Island, south-western Indian Ocean Cybium 28(3) 199-216
  • Allen, GR and Mohammed, A (2003) Coral Reef Fishes of Indonesia Zoological Studies 42(1) 26299 Available at - Digital Information Resource Center, Pune.
  • 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 -
  • Rao, DV; Devi, K and Rajan, PT (1993) Further new records of fishes from Bay Islands Journal of the Andaman Science Association Andaman Science Association, Port Blair 9(1&2) 50-57 Available at - NIO, Goa

Page last updated on:2011-05-06

Back to Search