bala shark or silver shark balantiocheilus melanopterus macro close up on a fish tank with blurred background

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