Inexplicable Shrimpgoby, Cryptocentrus inexplicatus (Herre 1934)

An Inexplicable Shrimpgoby, Cryptocentrus inexplicatus, in Bali, Indonesia. Source: zsispeo / Flickr. License: CC BY Attribution-Noncommercial-ShareAlike

A pale grey shrimpgoby with 6-7 mottled greenish to greyish or pale brown bars along the side, mottling on the top of the head and back, 3-4 black spots on the rear edge of the gill cover, and smaller black spots scattered on the head and anterior sides.

Cite this page as:
Bray, D.J. 2017, Cryptocentrus inexplicatus in Fishes of Australia, accessed 04 Mar 2024,

Inexplicable Shrimpgoby, Cryptocentrus inexplicatus (Herre 1934)

More Info


Darwin area, Northern Territory. Elsewhere the species occurs in the west Pacific. Inhabits silty-sandy and rubble areas in estuaries, reef lagoons and on sheltered reef flats.


Dorsal fin VI + I, 10; Anal fin I, 9; Pectoral fin 16-18. 
Greatest body depth 4.5-5.0 in SL; pelvic fins united, frenum present; longitudinal scale series about 70; head naked; caudal fin rounded, about equal to head length.

Species Citation

Smilogobius inexplicatus Herre 1934. Notes on Fishes in the Zoological Museum of Stanford University. The fishes of the Herre Philippine Expedition of 1931 1: 88. Type locality: Sitankai, Sulu Province, Philippines. 


Bray, D.J. 2017


Australian Faunal Directory

Inexplicable Shrimpgoby, Cryptocentrus inexplicatus (Herre 1934)


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

Herre, A.W. 1934. Notes on Fishes in the Zoological Museum of Stanford University. The fishes of the Herre Philippine Expedition of 1931. Hong Kong : The Newspaper Enterprise Vol. 1 106 pp. 

Hoese, D.F. & Larson, H.K. 2004. Description of a new species of Cryptocentrus (Teleostei: Gobiidae) from northern Australia, with comments on the genus. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 20: 167-174.

Kuiter R.W. & Tonozuka, T. 2001. Indonesian Reef Fishes. Part 3. Jawfishes - Sunfishes, Opistognathidae - Molidae. Melbourne : Zoonetics pp. 623–893.

Larson, H.K. & Murdy, E.O. 2001. Eleotridae, Gobiidae. pp. 3574-3604 in Carpenter, K.E. & Niem, T.H. (eds) The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 6 pp. 3381-4218. 

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 

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. 

Nakabo, T. (ed.) 2002. Fishes of Japan with pictorial keys to the species. English edition. Tokyo : Toikai University Press pp. 867-1749.

Quick Facts

CAAB Code:37428100

Behaviour:Shares burrows with alpheid shrimps

Depth:0-5 m

Habitat:Reef associated, silty/sandy areas

Max Size:7.5 cm TL

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Species Maps

CAAB distribution map