Whitespotted Frillgoby, Bathygobius coalitus (Bennett 1832)
Other Names: Brownlined Goby, Padang Goby
A Whitespotted Frillgoby, Bathygobius coalitus, at La Réunion, February 2013. Source: setsof / iNaturalist.org. License: CC by Attribution-NonCommercial
Summary:
A mottled brown goby with a pair of oblique brown bands on the side, 6-7 rectangular brown blotches along the lower side, and many small brown spots on the snout, interorbital and cheek.
Cite this page as:
Bray, D.J. 2026, Bathygobius coalitus in Fishes of Australia, accessed 02 Sep 2026, https://fishesofaustralia.net.au/Home/species/2908
Whitespotted Frillgoby, Bathygobius coalitus (Bennett 1832)
More Info
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Distribution |
Rowley Shoals, Western Australia, Ashmore Reef and Cartier Island in the Timor Sea, North Oxley Island, Northern Territory, and the far northern Great Barrier Reef, and reefs in the Coral Sea, to about Magdelaine Cay, Queensland. Elsewhere the species is widespread in the Indo-west-central Pacific from South and East Africa to the Hawaiian and Marquesas islands, north to Japan and south to Australia and New Caledonia. Inhabits sandy and rocky areas on clear coastal reefs including rocky intertidal pools and coral reef flats. |
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Features |
Dorsal fin VI + I, 9; A I, 8; Longitudinal scale series 36-38; Predorsal scales 15-20. Body depth 4.3-4.7 in SL; head depressed, head width greater than head dept. Upper 4-5 pectoral-fin rays branched to base, with free tips; caudal fin rounded. Cheekand operculum naked; body scales ctenoid, becoming cycloid on abdomen, breast and nape; predorsal scales reaching to midway between rear edge of preopercle and posterior edge of eye. |
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Etymology |
The specific name is from the Latin coalitus (= united, joined) in reference to the position of the dorsal-fin bases, referred to as 'subcontinuous' by Bennett. |
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Species Citation |
Gobius coalitus Bennett 1832, Proceedings of the Committee of Science and Correspondence of the Zoological Society of London 1: 166. Type locality: Mauritius. |
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Author |
Bray, D.J. 2026 |
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Resources |
Whitespotted Frillgoby, Bathygobius coalitus (Bennett 1832)
References
Allen, G.R. 1993. Fishes of Ashmore Reef and Cartier Island. Records of the Western Australian Museum, Supplement 44: 67-91
Allen, G.R., Steene, R.C. & Orchard, M. 2007. Fishes of Christmas Island. Christmas Island : Christmas Island Natural History Association 2 edn, 284 pp.
Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp.
Allen, G.R. & Russell, B.C. 1986. Part VII Fishes. pp. 79-103 in Berry, P.F. (ed.). Faunal Surveys of the Rowley Shoals, Scott Reef and Seringapatam Reef, northwestern Australia. Records of the Western Australian Museum, Supplement 25: 1-106
Allen, G.R. & Steene, R.C. 1988. Fishes of Christmas Island Indian Ocean. Christmas Island : Christmas Island Natural History Association 197 pp.
Bennett, E.T. 1832. Observations on a collection of fishes from Mauritius, presented by Mr Telfair, with characters of new genera and species, remaining portion. Proceedings of the Committee of Science and Correspondence of the Zoological Society of London 1: 165-169
Bleeker, P. 1851. Over eenige nieuwe soorten van Blennioïden en Gobioïden van den Indischen Archipel. Natuurkundig Tijdschrift voor Nederlandsch Indië 1: 236-258
Kuiter, R.H. & Tonozuka, T. 2001. Pictorial guide to Indonesian reef fishes. Part 3: Jawfishes - Sunfishes, Opistognathidae - Molidae. pp. 623-893. Zoonetics, Australia : Zoonetics.
Larson, H. 2019. Bathygobius coalitus. The IUCN Red List of Threatened Species 2019: e.T193154A2201797. https://dx.doi.org/10.2305/IUCN.UK.2019-1.RLTS.T193154A2201797.en. Accessed on 14 August 2026.
Larson, H.K. 2022. Family Gobiidae, Gobies and mudskippers pp. 19-179, Pls. 1-46, in Heemstra, P.C. et al. Coastal fishes of the western Indian Ocean. Vol. 5. South African Institute for Aquatic Biodiversity, a National Research Facility of the National Research Foundation (NRF-SAIAB).
Moore, G.I., Morrison, S.M., Hutchins, J.B., Allen, G.R., Sampey, A. 2014. Kimberley marine biota. Historical data: Fishes. Records of the Western Australian Museum Supplement 84: 161-206.
