Apogon trimaculatus   Cuvier,  1828 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 14-15 cm

Color: In alcohol specimens reddish brown, lighter below. An indistinct dark brown transverse band from origin of first dorsal to half way ventrals, a second one from end of second dorsal to lateral line, and a dark spot at end of base of anal, a third one on caudal peduncle as well as a small spot in the lateral line at base of caudal may be present. A darkish streak, bordered by lighter, from hindborder of eye to angle of prae-operculum. Dorsal and caudal more or less dusky, other fins hyaline.

Dorsal profile sloping gently from dorsal to snout. Height 2.4-2.6, 3.2-3.9 in length with caudal. Head 2.5, 3.2-3.3 in length with caudal. Eye 3.3 in head, two thirds of eye-diameter apart, shorter than snout. Mouth oblique, maxillary reaching to below middle of eye. Two vertical rows of scales on praeoperculum, which is denticulated along its hind and lower border. Praeopercular ridge denticulated. Lower orbital rim with strong denticulations, praeorbital smooth or with a few denticulations posteriorly. Conical teeth in several rows in jaws, in two rows on vomer and palatines. Origin of first dorsal somewhat behind that of ventrals, first spine small, second one much stronger than the others, longer than third one and equal to eye and snout, following spines decreasing rapidly in size, the hindborder of the fin therefore vertical when the spines are erected. Spine of second dorsal equal to third one of first dorsal and to postorbital part of head, longest soft rays almost equal to head without snout. Origin of anal below third soft ray of dorsal. First anal spine minute, second one equal to that of second dorsal. Soft anal rays as long as those of dorsal. Caudal feebly incised, the lobes rounded. Pectorals and ventrals subequal, as long as head without snout or a little shorter. Least height of caudal peduncle almost 1.5 in its length, somewhat more than postorbital part of head.
Dorsal spines (total): 7-7, Dorsal soft rays (total): 9-9, Anal spines: 2, Anal soft rays: 8. Juveniles have intense dark markings on a light background . Adults dusky

Dioecism, external fertilization, bearers, external brooders, mouthbrooders, distinct pairing during courtship and spawning.

Remarks: Values in above description denote proportions.

Synonym (s)
Apogon rhodopterus Bleeker, 1852
Apogon koilomatodon Bleeker, 1853
Amia koilomatodon Bleeker, 1863
Amia trimaculata Bleeker, 1865
Amia rhodopterus Bleeker, 1876
Apogon trimaculatus Macleay, 1881
Amia koilomatodon Jordan and Seale, 1906
Apogon trimaculatus McCulloch, 1921
Amia koilomatodon (Bleeker, 1853)
Apogon koilomatodon Bleeker, 1853

Common Name (s)
Economic Importance and Threats
Cultured:  No

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Benthic crustaceans


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Tamil Nadu, Gulf of Mannar INDIA (Record: 2008)
• Andaman and Nicobar Islands, Bamboo Flat 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
  • Kuo, RS and Shao, KT (1999) Species composition of fish in the coastal zones of the Tsengwen estuary, with descriptions of five new records from Taiwan Zoological Studies 38(4) 391-404 Available at - NIO, Goa
  • 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 - http://www.fishbase.org
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Weber, M; Beaufort, LF (1929) The fishes of the Indo-Australian Archipelago E. J. Brill Ltd. 5 458 pp Available at - NIO, Goa
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. Available at - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • Rao, DV; Rajan, PT and Devi K (1992) New records of groupers (Family: Serranidae) and cardinal fishes (Family: Apogonidae) from Andaman and Nicobar Islands Journal of the Andaman Science Association Andaman science association, Port Blair 8(1) 47-52 Available at - NIO, Goa

Page last updated on:2011-05-03

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