Bluespotted Seabream, Gymnocranius microdon (Bleeker 1851)

Other Names: Bluespotted Large-eye Bream, Blue-spotted Large-eye Bream, Large-eyed Bream

A Bluespotted Seabream at the Cod Hole near Lizard Island, Queensland. Source: Anne Hoggett / Lizard Island Research Station. License: CC BY Attribution

A silvery-grey seabream with darker scale margins, and numerous angled elongate blue spots, dashes and streaks on the snout and cheeks.

Cite this page as:
Bray, D.J. 2019, Gymnocranius microdon in Fishes of Australia, accessed 24 Jun 2024,

Bluespotted Seabream, Gymnocranius microdon (Bleeker 1851)

More Info


Scott Reef, Western Australia, to the Timor Sea northwest of Darwin, Northern Territory. Elsewhere the species occurs in the tropical, east-Indo-west Pacific. Inhabits sand and rubble areas near reefs.


Dorsal fin X, 10; Anal fin III, 10; Pectoral fin 14; Lateral-line scales 48-49; Scales rows between Llat and middle of spinous dorsal fin 5.5.
Body oblong, depth 2.5-3.0 in SL; scales absent from inner surface of pectoral-fin axil; 2-3 pairs of small slender canine teeth at front of upper and lower jaws, lateral jaw teeth conical to villiform; caudal fin slightly forked with pointed tips.

Species Citation

Dentex microdon Bleeker1851, Natuurk. Tijdschr. Nederlandsch Indië 2: 219. Type locality: Celebes (= Sulawesi).


Bray, D.J. 2019


Australian Faunal Directory

Bluespotted Seabream, Gymnocranius microdon (Bleeker 1851)


Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Perth : Western Australian Museum 292 pp. 106 pls.

Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp.

Bleeker, P. 1851. Nieuwe bijdrage tot de kennis der ichthyologische fauna van Celebes. Natuurkundig Tijdschrift voor Nederlandsch Indië 2: 209-224. See ref at BHL

Borsa, P., P. Béarez & W.-J. Chen. 2010. Gymnocranius oblongus, a new large-eye bream species from New Caledonia (Teleostei: Lethrinidae). Comptes Rendus Biologies 333(3): 241-247.

Borsa, P., Collet, A., Carassou, L., Ponton, D. & Chen, W.-J.  2010. Multiple nuclear and mitochondrial genotyping identifies emperors and large-eye breams (Teleostei: Lethrinidae) from New Caledonia and reveals new large-eye bream species, Biochem. Syst. Ecol. 38:  370-389. (as Gymnocranius sp. B )

Carpenter, K.E. 2001. Sparidae, Lethrinidae. pp. 2990-3050 in Carpenter, K.E. & Niem, V.H. (eds). The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 5 2791-3379 pp.

Carpenter, K.E. & Allen, G.R. 1989. FAO Species Catalogue. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fisheries Synopsis. No. 125, Vol. 9. Rome : FAO 118 pp.

Carpenter, K.E., Lawrence, A. & Myers, R. 2016. Gymnocranius microdon. The IUCN Red List of Threatened Species 2016: e.T16719685A16722280. Downloaded on 15 July 2019.

Coleman, N. 1981. Australian sea fishes north of 30°S. Doubleday, Sydney, 297 pp. (as Gymnocranius griseus)

Hutchins, J.B., Williams, D.McB., Newman, S.J., Cappo, M. & Speare, P. 1995. New records of fishes for the Rowley Shoals and Scott/Seringapatam Reefs, off north-western Australia. Records of the Western Australian Museum 17: 119-123.

Sato, T. 1986. A systematic review of the sparoid fishes of the subfamily Monotaxinae, p. 602–612, in T. Uyeno, R. Arai, T. Taniuchi, K. Matsuura (eds) Indo-Pacific fish biology: proceedings of the second international conference on Indo-Pacific fishes. Ichthyological Society of Japan, Tokyo.

Quick Facts

CAAB Code:37351030

Conservation:IUCN Least Concern

Depth:15-50 m

Habitat:Reef associated, sandy/rubble areas

Max Size:45 cm TL

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CAAB distribution map