Also known as Blue-spotted Goby, Gudgeon, Half-spotted Goby, Reef Goby, Sleeper Goby, Starfin Goby, Star-finned Goby, Star-finned Gudgeon.
Found singly, or in small schools, close to burrows and holes, over algae covered rock and rubble, in lagoons, and over inner reef flats.
They feed on small benthic invertebrates.
Length - 6.5cm
Depth - 1-20m
Reef Gobies have the largest and smallest species usually with very distinctive colouring. Ref: https://www.fishbase.se/summary/Asterropteryx-semipunctatus.html