Robust Mangrovegoby, Acentrogobius janthinopterus (Bleeker 1852)

Other Names: Green-spotted Goby, Mangrove Goby, Robust Goby, Robust Mangrove Goby

A Robust Mangrovegoby, Acentrogobius janthinopterus. Source: Gerald R. Allen / Western Australian Museum. License: All rights reserved

A pale greyish to light brown goby with brown mottled back, five brown blotches or clusters of smaller spots in a row along the midside, and scattered iridescent green flecks and a submarginal dark band on the caudal fin.

Cite this page as:
Dianne J. Bray, Acentrogobius janthinopterus in Fishes of Australia, accessed 18 Jul 2024,

Robust Mangrovegoby, Acentrogobius janthinopterus (Bleeker 1852)

More Info


Dampier Archipelago, Western Australia, to Melville Island, Northern Territory, and the northern Great Barrier Reef to Coomera Island, Queensland; tropical, west Pacific. Inhabits inshore brackish and freshwater areas, especially around mangroves; amphidromous.


Dorsal fin VI-VII, 10; Anal fin I, 8. 
First dorsal fin spines elongate and filamentous in male; rounded caudal fin, equal or slightly longer than head; longitudinal scale series 32; predorsal scales behind eyes; fully scaled opercle; upper half of cheek scaled; depth of body 3.5-3.8 in SL.


Pale greyish to light brown body with brown mottling on the back; midside with horizontal row of five brown blotches or clusters of smaller spots; caudal fin with scattered iridescent green flecks and submarginal dark band.

Species Citation

Gobius janthinopterus Bleeker 1852, Natuurk. Tijdschr. Nederl. Indië 3: 702.Type locality: Wahia, Ceram, Indonesia.


Dianne J. Bray


Australian Faunal Directory

Robust Mangrovegoby, Acentrogobius janthinopterus (Bleeker 1852)


Akihito, Sakamoto, K., Ikeda, Y. & Sugiyama, K. 2002. Gobioidei. pp.1139-1310, 1596-1619 in Nakabo, T. (ed.). Fishes of Japan with pictorial keys to the species. English edition. Tokyo : Toikai University Press pp. 867-1749.

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

Blaber, S.J.M., Salini, J.P. & Brewer, D.T. 1990. A checklist of the fishes of Albatross Bay and the Embley estuary, north-eastern Gulf of Carpentaria. CSIRO Marine Laboratory. Report 210: 1-22.

Bleeker, P. 1852. Nieuwe bijdrage tot de kennis der ichthyologische fauna van Ceram. Natuurkundig Tijdschrift voor Nederlandsch Indië 3: 689-714.

Hutchins, B. 2004. Fishes of the Dampier Archipelago, Western Australia. Records of the Western Australian Museum, Supplement 66: 343–398.

Kottelat, M. 2013. The fishes of the inland waters of southeast Asia: a catalogue and core bibliography of the fishes known to occur in freshwaters, mangroves and estuaries. Raffles Bulletin of Zoology Supplement 27: 1-663.

Koumans, F.P. 1931. A Preliminary Revision of the Genera of the Gobioid Fishes with United Ventral Fins. Lisse : Proefschrift Drukkerij Imperator N.V. 174 pp.

Koumans, F.P. 1953. The Fishes of the Indo-Australian Archipelago. Gobioidea. Leiden : Brill Vol. 10 423 pp. 95 figs.

Kuiter, R.H. 1992. Tropical Reef-Fishes of the Western Pacific, Indonesia and Adjacent Waters. Jakarta : PT Gramedia Pustaka Utama 314 pp. pls.

Larson, H.K., Williams, R.S. & Hammer, M.P. 2013. An annotated checklist of the fishes of the Northern Territory, Australia. Zootaxa 3696(1): 1-293.

Larson, H.K. & Lim, K.K.P. 2005. A guide to the gobies of Singapore. Singapore : Singapore Science Centre 164 pp.

Myers, R.F. 1999. Micronesian Reef Fishes. A comprehensive guide to the coral reef fishes of Micronesia. Guam : Coral Graphics vi 330 pp. 192 pls.

Quick Facts

CAAB Code:37428031

Depth:0-20 m

Habitat:Estuaries, mangroves

Max Size:12.5 cm TL

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CAAB distribution map