Acentrogobius caninus   (Valenciennes,  1837) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 13.2 cm.

Color: Oliver above, lighter below. Head with blue or pearl colored spots. Body with alternating rows of large blackish brown spots. Scapula with large blue spots. Scales laterally with shiny spots. Second dorsal fin with 3 rows of dark spots, bordered with blue. Base of anal fin violet. Caudal fin with blackish spots, base violet.

Body elongate, anteriorly a little compressed, posteriorly compressed, height 4-5 in length, 5-6 1/2 in total length. Head obtuse, 3 3/4-4 in length, 4 3/4-5 in total length. Profile convex. Eye 3 1/2-4 in head, interorbital less than 1/2 eye diameter. Snout obtuse, shorter than eye, tip before or a little below inferior margin of eye. Anterior nostril in a short tube. mouth oblique, lower jaw prominent. Maxillary extends to below anterior part of eye. Teeth in upper jaw of outer row enlarged, in lower jaw on each side 2 canines. Longitudinal mucous canals on cheek. Interorbital medially with an open pore. An open pore behind eye at the beginning of supraopercular groove. Head scaled above behind eye and on upper part of opercle with cycloid scales. Scales of nape, breast and belly cycloid, other scales ctenoid. First dorsal fin lower than body, second and third ray often filiform. Second dorsal and anal fin much lower than body. Pectoral fin without free rays, obtuse as long as head. Ventral fin obtuse, longer than head without snout. Caudal fin obtuse, about as long as head.

Remarks: Values in above description denote proportions.

Synonym (s)
Acentrogobius caninus Koumans 1941
Gobius caninus Cuvier and Valencien 1837
Gobius grandinosus Eydoux and Souleyet 1841
Gobius caninus Bleeker 1849
Gobius caninus Gunther 1861
Gobius caninus Gunther 1877
Gobius caninus Boulenger 1890
Coryphopterus bernadoui Jordan and Starks 1905
Rhinogobius caninus Jordan and Richardson 1908
Rhinogobius caninus Seale 1910
Gobius caninus M. Weber 1913
Rhinogobius caninus Herre 1927
Rhinogobius caninus magnisquamatus Herre
Gobius caninus Fowler 1928
Rhinogobius similis H. M. Smith 1932
Rhinogobius simulans H. M. Smith 1931
Gobius caninus Pellegrin 1933
Vaimosa umbra Fowler 1934
Acentrogobius caninus Hardenberg 1936
Gobius caninus Tomiyama 1936
Rhinogobius simulans Koumans 1940
Coryphopterus bernadoui Koumans
Rhinogobius umbra Koumans

Common Name (s)
• Tropical Sand Goby (English)
• Dog Toothed Goby (English)
Economic Importance and Threats
Importance:  Commercial, Dangers
(Marketed fresh in Mekong delta.
Found to contain tetrodotoxin (TTX) and anhydrotetrodotoxin (anh-TTX) which causes paralytic food poisoning.)

Habitat:  Estuarine, Coastal
Trophic Level:  Consumer
Prey:  Invertebrates


• Orissa, Mahanadi Estuary (Lat: 20.32) (Long: 86.75) INDIA
• INDIA (Record: 1953)

Literature Source(s)
  • UNEP World Conservation Monitoring Centre Available at -
  • Zoological Survey of India (Eds.) (1998) Fauna Of Mahanadi estuary, Orissa Estuarine ecosystem series no 3 ZSI, Kolkata 1-218 Available at - ZSI, Pune
  • (2001) Fauna of Godavari estuary, Andhra Pradesh Estuarine ecosystem series 4 ZSI, Kolkata 1-166 Available at - ZSI, Pune
  • Tongnunui, P; Ikejima, K; Yamane, T; Horinouch, M; Medej, T; Sano, M; Kurokura, H and Taniuchi, T (2002) Fish fauna of the Sikao Creek mangrove estuary,Trang, Thailand Fisheries Science 68 Available at - NCL, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Koumans, FP (1953) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 10 423 pp Available at - NIO, Goa
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -

Page last updated on:2013-03-06

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