This image was taken as part of a photo transect on the reef at Cartier Island.
Istigobius decoratus, known as the Decorated Sandgoby is found on sand patches near reefs.
Pleurosicya mossambica also known as the toothy goby or the Mozambique ghost goby is found on many substrates, including corals, sponges, giant clams and seaweeds, and can vary colour according to the substrate.