Threadfin Pearl Perch, Glaucosoma magnificum (Ogilby 1915)

Other Names: Threadfin Pearl-perch

A school of Threadfin Pearl Perch, Glaucosoma magnificum, off Exmouth, Western Australia. Source: Jon Hanson / Flickr. License: CC by Attribution-NonCommercial

A pearl perch with three dark vertical bands: the first through the eye, the second along the edge of the preopercle, and the third down to the pectoral-fin base.

Video of a school of Threadfin Pearl Perch.

Cite this page as:
Dianne J. Bray, Glaucosoma magnificum in Fishes of Australia, accessed 20 Jul 2024,

Threadfin Pearl Perch, Glaucosoma magnificum (Ogilby 1915)

More Info


Known in Australia from Exmouth Gulf, Western Australia, throughout the Northern Territory to the Torres Straits, and around Cape York to Shelburne Bay, Queensland. Almost certainly present in southern Papua-New Guinea.


Meristic features: Dorsal fin VIII,  14; Anal fin III, 12. 

Dorsal fin with 8 spines increasing in length from a small anterior spine to a long posterior one; soft dorsal rays 14, much higher than spinous part and with the anterior ray produced into a short filament, the third ray prolonged into a long simple filament which extends past the caudal fin and the fourth and fifth rays also extended to beyond the hypural joint; anal fin with 3 slender spines and 12 soft rays, the second ray prolonged beyond the caudal fin and the third ray almost as long in small specimens.


Taken on hook and line, and in bottom trawls. A superior table fish with white flesh of excellent texture and superb flavour.

Species Citation

Reganichthys magnificus Ogilby, 1915, Mem. Qld. Mus. 3: 123, pl. 30. Type locality: Thursday Island, Torres Strait.


Dianne J. Bray

Threadfin Pearl Perch, Glaucosoma magnificum (Ogilby 1915)


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

Allen, G.R. & Swainston, R. 1988. The Marine Fishes of North-Western Australia. A field guide for anglers and divers. Perth, WA : Western Australian Museum vi 201 pp., 70 pls.

McKay, R.J. 1997. FAO Species Catalogue. Pearl Perches of the World Family Glaucosomatidae. FAO Fisheries Synopsis No. 125 Vol. 17. 1-26 pp.

McKay, R.J. 2001. Family Glaucosomatidae. pp. 3205-3209 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.

Ogilby, J.D. 1915. On some new or little-known Australian fishes. Memoirs of the Queensland Museum 3: 117-129 figs 29-30

Russell, B.C. & Houston, W. 1989. Offshore fishes of the Arafura Sea. The Beagle 6(1): 69-84.

Sainsbury, K.J., Kailola, P.J. & Leyland, G.G. 1985. Continental Shelf Fishes of Northern and North-Western Australia. Canberra : Fisheries Information Service 375 pp. figs & pls.

Yearsley, G.K., Last, P.R. & Ward, R.D. (eds) 1999. Australian Seafood Handbook. Hobart : CSIRO Marine Research 460 pp.

Quick Facts

CAAB Code:37320002

Depth:8-100 m

Fishing:Commercial, recreational fish

Habitat:Reef associated

Max Size:32 cm TL


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