The Metynnis hypsauchen fish originates from the Amazon River, South America. Metynnis hypsauchen is a herbivorous fish. The body of this fish is silvery and very actively moving. Metynnis hypsauchen fish like the environment of shady waters. the temperature of the water used to keep Metynnis hypsauchen in an aquarium or pond is 25-28 degrees Celsius. the pH value of water to maintain this fish is 6.5 - 7.0 and the level of water hardness is 10 dH. Metynnis hypsauchen fish spawning must be done using clean water. Metynnis hypsauchen broodstock which will be spawned are fed with mosquito larvae or worms. Watercress vegetables can also be given to the parent fish. difference between male fish and female fish. male parent fish are slimmer and are characterized by a slightly reddish color on the belly fin. in the female parent the color of the belly fin is redder. seen from the shape of fish fins, male fish fins are somewhat triangular rounded while in the female parent is straight b...