Hasselt's Flaphead Goby, Callogobius hasseltii (Bleeker 1851)

Other Names: Hasselt's Flap-headed Goby, Hasselt's Goby

Hasselt's Flaphead Goby, Callogobius hasseltii, in Lembeh Strait, North Sulawesi, 2014. Source: Jim Greenfield / FishBase. License: All rights reserved

A mottled brown goby with a dark stripe from the snout, through the eye to the upper part of the gill cover, an intense black spot on the upper edge of the caudal fin, and variable dark brown bars on the body at the nape, rear part of the first dorsal fin, front part of the second dorsal fin, rear half of the second dorsal fin and across the caudal peduncle. 
Hasselt's Flaphead Goby has prominent papillae ridges on the head.

Cite this page as:
Bray, D.J. 2020, Callogobius hasseltii in Fishes of Australia, accessed 06 Jun 2023, https://fishesofaustralia.net.au/Home/species/88

Hasselt's Flaphead Goby, Callogobius hasseltii (Bleeker 1851)

More Info


Great Barrier Reef, Queensland, to Pittwater, New South Wales; also Lord Howe Island in the Tasman Sea. Elsewhere the species occurs in the tropical, east-Indo-west Pacific, from Sumatra, Indonesia, to Micronesia, Fiji and Tonga, and north to Japan. 
Inhabits sheltered bays and lagoons, amongst rubble and sand from the intertidal zone to 15 m; also known to occur in brackish waters.


Dorsal fin VII, 10; Anal fin I, 8; Longitudinal scale series 40-45; Predorsal scales 20-22.
Body depth 5.4-6.0 in SL; head with prominent papillae ridges. Pelvic fins completely united, with well-developed frenum; caudal fin pointed. Scales cycloid on nape, cheek, opercle, base of pectoral fin, breast and belly, posterior scales ctenoid; 


The species is named in honour of Johan Coenraad van Hasselt, a Dutch physician and biologist. Bleeker's description is based on an illustration by Hasselt and Kuhl.

Species Citation

Eleotris hasseltii Bleeker 1851, Natuurk. Tijdschr. Nederl. Indië 1: 253, pl. fig. 13. Type locality: Anjer, Java.


Bray, D.J. 2020


Atlas of Living Australia

Hasselt's Flaphead Goby, Callogobius hasseltii (Bleeker 1851)


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

Bleeker, P. 1851. Over eenige nieuwe soorten van Blennioïden en Gobioïden van den Indischen Archipel. Natuurkundig Tijdschrift voor Nederlandsch Indië 1: 236-258 See ref at BHL

Bleeker, P. 1874. Esquisse d'un système naturel des gobioïdes. Archives Néerlandaises des Sciences Naturelles 9: 289-331.

Kottelat, M., Whitten, A.J., Kartikasari, S.N. & Wirjoatmodjo, S. 1993. Freshwater fishes of Western Indonesia and Sulawesi. Periplus Editions, Hong Kong. 221 pp.

Lowe, G.R. & Russell, B.C. 1990. Additions and revisions to the checklist of fishes of the Capricorn-Bunker Group, Great Barrier Reef, Australia. Great Barrier Reef Marine Park Authority. Special Publication Series 19: 1-27

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.

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:37428088

Depth:1-15 m

Fishing:Aquarium fish

Habitat:Reef associated, sand & rubble areas

Max Size:7.5 cm TL

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