At low tide, Great Blue Spotted Mudskipper searches for food such as algae and debris on mudflat. There are two species of mudskippers along the Mangrove Boardwalk in Wetland Park: Great Blue Spotted Mudskipper and Shuttles Hoppfish (Periophthalmus modestus). Great Blue Spotted Mudskipper is larger in size with distinctive blue spots on its body.