This kind of fishes are raiamas guttatus who comes from Lantsang and Irrawaddy River in China.The size of adult may be about 40cm,the fins will be red during adulthood.And this fish is very very fierce,often constantly fight with others if they are not much bigger than them, it can hunt very big fish related to his own size,it often find that this kind of fish eat bigger fish choked himself to death!
