Oreochromis mossambicus or "Java tilapia" firsh cultivate at freshwater in Java island by Moedjair.
In 1939, Mudjair went looking for fish at the river estuary along coast. He noticed a strange fish that fed its children when in danger and spit back when they reached safety.
Wishing to bring a specimen home, Moedjair questioned whether the fish would survive a non-saltwater environment. Experimenting with freshwater habitats, he demonstrated 4 fish can live in saltwater after 11 experiments. These 4 fish, released in rivers and lakes, quickly grew in population. To honor his work, the fish was named mujair in Indonesian, and mujair is now a popular freshwater fish in Indonesia.[1]
