Captured from a distance this school of fish making a diagonal formation as the change places while they feed, Poropuntius sp

sand streams hill streams freshwater fish soro brook carp stream freshwater jungle stream river actinopterygii neolissochilus soroides aquatic flowing cyprinidae rapids neolissochilus hendersoni body of water fish scales water mammals cypriniformes poropuntius fisheries acantopsis choirorhynchos waterfalls natural world wildlife sanctuary wildlife mountains laos fins poropuntius normani animals habitat tengas vietnam nature jungle cambodia malaysia huai kha kaeng natural habitat rainforest current thailand edible tropical school