Immaculate Glider Goby

Snapshot: A pale beauty adorned with two fiery blue-edged lines streaking across its head and body.
 
Other tidbits: Can grow up to 13cm or so. Range extends throughout the tropical waters of the Western Pacific Ocean. When startled, the Immaculate Glidergoby swiftly retreats tail-first into a sandy hideaway.
 
Bare bones must know: Fish-only system or reef aquarium. Sandy substrate for burrowing.