Monotone Moray, Gymnothorax monochrous Bleeker 1856

Other Names: Brown Moray, Drab Moray, Drab Moray Eel, Monochrome Moray, Plain Moray Eel

A Monotone Moray, Gymnothorax monochrous, at Batanta Island, Raja Ampat Islands, West Papua, Indonesia. Source: Gerald R. Allen. License: All rights reserved

A uniformly tan to brown moray, sometimes becoming paler below, with no contrasting markings.

Cite this page as:
Bray, D.J. 2019, Gymnothorax monochrous in Fishes of Australia, accessed 20 Jul 2024,

Monotone Moray, Gymnothorax monochrous Bleeker 1856

More Info


Cassini Island, Kimberley region, Western Australia, and Ashmore Reef in the Timor Sea, to Brunswick Heads, New South Wales; also possibly Cocos (Keeling) Islands in the eastern Indian Ocean. Elsewhere the species occurs in the tropical, east-Indo-west Pacific: East Africa and Madagascar east to Indonesia and Papua New Guinea, south to northern Australia and New Caledonia.
Inhabits relatively turbid areas of sheltered lagoon reefs, including mangroves.


Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0; Vertebrae: 134 - 145.

Species Citation

Gymnothorax monochrous Bleeker 1856, Natuurkundig Tijdschrift voor Nederlandsch Indië 10: 384. Type locality: Ternate, Molucca Islands, Indonesia.


Bray, D.J. 2019


Australian Faunal Directory

Monotone Moray, Gymnothorax monochrous Bleeker 1856


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

Allen, G.R. & Smith-Vaniz, W.F. 1994. Fishes of Cocos (Keeling) Islands. Atoll Research Bulletin 412: 1-21 

Bleeker, P. 1856. Zevende bijdrage tot de kennis der ichthyologische fauna van Ternate. Natuurkundig Tijdschrift voor Nederlandsch Indië 10: 357-386 See ref at BHL

Böhlke, E.B., McCosker, J.E. & Smith, D.G. 1999. Family Muraenidae. pp. 1643-1657 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. 3 pp. 1397-2068. 

Böhlke, E.B. & McCosker, J.E. 2001. The moray eels of Australia and New Zealand, with the description of two new species (Anguilliformes: Muraenidae). Records of the Australian Museum 53: 71-102 figs 1-10  DOI: 10.3853/j.0067-1975.53.2001.1325 Open access

Castle, P. H. J. & McCosker, J. E. 1986. Family No. 41: Muraenidae. pp. 165-176 in Smith, M.M. & Heemstra, P.C. (eds). Smith's Sea Fishes. Johannesburg : Macmillan South Africa xx + 1047 pp. 144 pls. 

Hobbs, J-P.A., Newman, S .J., Mitsopoulos, G.E.A., Travers, M.J., Skepper, C.L., Gilligan, J.J., Allen, G.R., Choat, H.J. & Ayling, A.M. 2014. Fishes of the Cocos (Keeling) Islands: new records, community composition and biogeographic significance. Raffles Bulletin of Zoology Supplement 30: 203–219

Johnson, J.W. 1999. Annotated checklist of the fishes of Moreton Bay, Queensland, Australia. Memoirs of the Queensland Museum 43(2): 709-762.

Johnson, J.W. 2010. Fishes of the Moreton Bay Marine Park and adjacent continental shelf waters, Queensland, Australia. pp. 299-353 in Davie, P.J.F. & Phillips, J.A. Proceedings of the Thirteenth International Marine Biological Workshop, The Marine Fauna and Flora of Moreton Bay. Memoirs of the Queensland Museum 54(3)

Randall, J.E. 2005. Reef and shore fishes of the South Pacific. New Caledonia to Tahiti and the Pitcairn Islands. Honolulu : University of Hawaii Press 707 pp.

Quick Facts

CAAB Code:37060046

Depth:1-41 m

Habitat:Reef associated, silty areas

Max Size:80 cm TL

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