Dwarf Speckled Goby, Redigobius nanus Larson 2010

A male Dwarf Speckled Goby, Redigobius nanus from the Northern Territory, Australia. Source: Dave Wilson / Aquagreen. License: All rights reserved

A small, estuarine goby with indistinct dark speckling and dorsal saddles, bright pale blue flecks and spots over brown markings on the head, body and fins, and males with a pointed first dorsal-fin with a pale elongate first spine.

Cite this page as:
Bray, D.J. 2017, Redigobius nanus in Fishes of Australia, accessed 03 Dec 2023, https://fishesofaustralia.net.au/home/species/2725

Dwarf Speckled Goby, Redigobius nanus Larson 2010

More Info


Shark Bay, Western Australia, to Brisbane, Queensland. Elsewhere the species occurs in New Guinea. Inhabits muddy and sandy-muddy areas in estuaries, amongst rocks and mangroves.


Dorsal fin (soft rays) 7; Anal fin I, 6.  first or second spine longest in females but never elongate; second dorsal rays I,7; anal rays I,6; pectoral rays 16-17; longitudinal scales 20-25; TRB 7-10; predorsal scales 6-10; circumpeduncular scales 12 


Indistinct lateral dark speckling and dorsal saddles; scale margins narrowly outlined with dark brown; bright pale blue flecks and spots over brown markings on head, body and fins; first dorsal fin pointed, first spine elongate and pale-coloured in males.

Species Citation

Redigobius nanus Larson 2010, Ichthyological Explorations of Freshwater 21(2): 166, figs 21–23. Type locality: Shark Bay, WA. 


Bray, D.J. 2017


Australian Faunal Directory

Dwarf Speckled Goby, Redigobius nanus Larson 2010


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) 

Larson, H.K. 2010. A review of the gobiid fish genus Redigobius (Teleostei: Gobionellinae), with descriptiions of two new species. Ichthyological Explorations of Freshwater 21(2): 123–191 

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. & Williams, R.S. 1997. Darwin Harbour fishes: a survey and annotated checklist. pp. 339-380 in Hanley, H.R., Caswell, G., Megirian, D. & Larson, H.K. (eds). The Marine Flora and Fauna of Darwin Harbour, Northern Territory, Australia. Proceedings of the Sixth International Marine Biology Workshop. Darwin : Museum and Art Gallery of the Northern Territory 466 pp.

Quick Facts

CAAB Code:3728402

Depth:0-5 m

Habitat:Estuaries, mangroves

Max Size:2.2 cm SL

Species Image Gallery

Species Maps

CAAB distribution map