Orangespotted Sandgoby (species: Istigobius rigilius) in Lizard Island Field Guide (Lizard Island Field Guide)
Istigobius rigilius
Orangespotted Sandgoby

©Anne Hoggett: Istigobius rigilius at Loomis, Lizard Island lagoon (12 Mar 2016)
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Gobiidae
Genus Istigobius
Species Istigobius rigilius



Distinguishing features

A small, very well-camouflaged goby that lives on sand. Translucent with many small white and brown/orange spots all over and some larger spaced spots, often paired, in a line along the middle of each side. Pelvic fins with white bands, small brown flecks on dorsal and tail fins. No scales on the cheek and opercle, and no dark spot at the base of the tail.


  • Up to 9.5 cm (Length)

Depth range

  • Depth range data is not yet available.


Similar taxa


©Atlas of Living Australia: Australian distribution

Local abundance

  • Lizard Island: Abundant in suitable habitat in the lagoon

Web resources


References that assist with identification

  • Allen and M.V. Erdmann, G.R. (2012). Reef fishes of the East Indies. Volumes I-III in: Reef fishes of the East Indies. Tropical Reef Research, Perth, Australia. LIRS catalog number 90162.

Other references

  • Caley, M.J. (1991). Mechanisms of coexistence in communities of coral-reef fishes, Ph.D. thesis, University of Sydney. LIRS catalog number 307.
  • Caley, M.J. (1995). Community dynamics of tropical reef fishes: local patterns between latitudes, Marine Ecology Progress Series, 129: 7-18. LIRS catalog number 447.
  • View all references