Also known as Dwarf Goby, Gudgeon, Red-lined Pygmygoby, Reef Goby, Stripehead Goby.
Found singly or in small schools in caves and crevices of outer reef slopes in deep lagoons and protected seaward reefs.
They feed on zooplankton.
Length - 3cm
Depth - 10-30m
Widespread Indo-West Pacific
Reef Gobies have the largest and smallest species usually with very distinctive colouring. Ref: https://www.fishbase.se/summary/Trimma-striatum.html