Twin-bearded bonefish, also known as silver arowana. The body is silvery white and contains light mixed colors such as blue and cyan, which are sparkling. It lives in tropical rivers and lakes and likes tranquility. It usually swims in an environment with dense aquatic plants. When it encounters prey, it can quickly attack and feed on fish, shrimp and shellfish. It is widely distributed in the Amazon River Basin and its tributaries in South America, and has a rich population.