The theoretical lifespan of Australopithecus is about 30-40 years, but in practice, they generally only live about 18 years. If the breeding environment is poor, they may not live to 18 years old. Their growth and development speed is not very fast. Female fish need to grow for more than 6 years, and male fish need to grow for more than 5 years before they have the ability to reproduce.

Australis is a nocturnal fish. This fish has a fierce temperament and can bite much larger fish. Originating in eastern Australia, it is very similar to the star-spotted dragon. The juveniles are extremely beautiful, with a small head, many red star-shaped spots on the side of the body, and golden star-spotted anal, dorsal, and caudal fins. The color of the adult fish It is silver with a beautiful yellow color, the dorsal fin is olive green, and the abdomen has a silver luster. Each fin has a black border.