This school of fish seen from a distance making a diagonal lineup as others flip revealing their undersides, Poropuntius sp

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