Description

Also known as Black-lined Glidergoby, Black-lined Sleepergoby, Gudgeon, Railway Glider, Railway Glidergoby, Railway Sleepergoby, Sand Goby, Sand Sifting Goby, Sleeper Goby, Twostripe Sleepergoby.

Found singly or in pairs, close to their burrows, on silty, rubble strewn bottoms, over coral and rocky drop-offs of coastal reefs.
They feed on burrowing invertebrates.
Length - 25cm
Depth - 1-45m
Widespread Indo-West Pacific

These Gobies feed by taking a mouthful of sand that is filtered through the gills for tiny creatures.
They make large homes on sandy areas below rocks, with a small entrance that is covered over at night. Ref: https://www.fishbase.se/summary/Valenciennea-helsdingenii.html