bala shark or silver shark (balantiocheilus melanopterus) on a fish tank with blurred bakground

bala shark balantiocheilos melanopterus aquarium fish fresh water barbus freshwater barb wild animal sumatra swimming fauna animals captivity minnow cypriniformes tricolor sharkminnow nature aquatic tropical green life swim lake river underwater wildlife silver cyprinidae tank shiny mouth pebble sand metallic reflection balantiocheilus isolated blurred bakground