Twostripe goby (Valenciennea heldsdingenii)

"Valenciennea helsdingenii" is a species of goby from the Indo-Pacific. It is commonly known as the twostripe goby, black-lined sleeper goby, or railway sleeper goby. It can grow up to a length of 25 cm and is distinguishable by two prominent orange to black lines running longitudinally through its body.