Also known as Archfin Goby, Blue-speckled Shrimpgoby, Gudgeon, Horseshoe Shrimpgoby, Prawn Goby, Shrimp Goby.
Found singly or in pairs, sharing their burrow with alpheid shrimps, over deep coastal slopes.
They feed on benthic invertebrates and zooplankton.
Length - 11cm
Depth - 10-30m
Western Central Pacific - Papua New Guinea
Shrimp Gobies live a symbiotic relationship with snapping shrimps.
The Gobies stand guard while the shrimps play "housekeeper" to their burrow, continually digging and cleaning the sand. The Gobies will signal when predators are near. Ref: https://www.fishbase.in/summary/Amblyeleotris-arcupinna.html