- Classification
- ACTINOPTERYGII
- PERCIFORMES
- GOBIIDAE
- Bathygobius
- cocosensis
Cocos Frillgoby, Bathygobius cocosensis (Bleeker 1854)
Other Names: Cocos Frill-goby, Cocos Goby, Dusky Sand-goby, Padang Frill-goby
A Cocos Frillgoby, Bathygobius cocosensis, at South West Rocks, New South Wales, April 2013. Source: Sascha Schultz / iNaturalist.org. License: CC by Attribution-NonCommercial
Summary:
A mottled brown goby with five irregular alternating pale and dark blotches or saddles along the back, 5-7 rectangular brown blotches along the lower side, and white spots and blotches on cheek and operculum.
Cite this page as:
Bray, D.J. 2021, Bathygobius cocosensis in Fishes of Australia, accessed 05 Nov 2024, https://fishesofaustralia.net.au/home/species/2909
Cocos Frillgoby, Bathygobius cocosensis (Bleeker 1854)
More Info
Distribution |
Dirk Hartog Island, Western Australia, to the English Company Island, Northern Territory, and the northern Great Barrier Reef, Queensland, to Green Cape, southern New South Wales; also at Cocos (Keeling) Islands and Christmas Island in the eastern Indian Ocean, and the Lord Howe Province and Norfolk Island in the Tasman Sea. Elsewhere the species is widespread in the Indo-Pacific. Inhabits intertidal reef flats and rock pools, and rocky/rubble and sandy areas adjacent to reefs. |
Features |
Dorsal fin VII, 9; Anal fin I, 8. upper 4-5 pectoral rays branched to base, tips membrane-free; rounded caudal fin; longitudinal scale series 37-38; predorsal scales 10-12, nearly reaching to above rear margin of preopercle; scales absent on cheek and operculum; ctenoid body scales, becoming cycloid on abdomen, breast and nape; depressed head, width greater than depth; depth of body 5.0 in SL |
Colour |
Mottled brown overall, with five alternating irregular whitish and brown blotches or saddles dorsally on body; lower half of side with 5-7 rectangular brown blotches; white spots and blotches on cheek and operculum. |
Feeding |
Feeds on benthic invertebrates including polychaete worms, isopod and amphipod crustaceans, and small crabs. |
Etymology |
The species is named for the type locality: Cocos Island in the Cocos (Keeling) Islands, eastern Indian Ocean. |
Species Citation |
Gobius cocosensis Bleeker 1854, Natuurkundig Tijdschrift voor Nederlandsch Indië 7: 47. Type locality: Nova Selma, Cocos Island. |
Author |
Bray, D.J. 2021 |
Resources |
Cocos Frillgoby, Bathygobius cocosensis (Bleeker 1854)
References
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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. & Smith-Vaniz, W.F. 1994. Fishes of Cocos (Keeling) Islands. Atoll Research Bulletin 412: 1-21
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Francis, M. 2019. Checklist of the coastal fishes of Lord Howe, Norfolk and Kermadec Islands, southwest Pacific Ocean. https://doi.org/10.6084/m9.figshare.c.4428305
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