In The Hong Kong region of China is also known as the Australian golden butterfly, and unlike the oval body of other butterfly fish, the body of the Australian rainbow butterfly is closer to the perfect circle. It is not too much to call it a rainbow butterfly, it has the most brilliant color in the butterfly fish family, orange and light blue lines outline a brilliant glow on the pale yellow body. This beautiful object is not easy to come by, they are only distributed in the Coastal Region of East Australia in the South Pacific, and the annual catch trade is very small. Like the Red Sea Golden Butterfly, it needs to maintain a high salinity to maintain the brilliant color of the Australian rainbow butterfly. They are also one of the few butterfly fish species that can accept artificial pellet feed. Some have tried to keep the Australian rainbow butterfly in reef ecological aquariums, which seem to be in harmony with some soft corals, but for many stony corals, they are dangerous predators.
Good and stable water quality must be guaranteed, subtle changes in pH will kill them, I recommend maintaining the hardness at about 10 ° dH, so that the relevant indicators are stable. Light is also important for maintaining the beautiful color of the Australian rainbow butterflies, giving them at least 8 hours of illumination every day, and aquariums above 50 cm tall use metal halide lamps. 26--28 °C is the ideal temperature for rearing, above 30 °C will accelerate the fading of fish, and below 26 °C will often cause hunger strike.
If you buy juveniles under 10 cm, they are not as bright and beautiful as adult fish. When reared for a year it finally grew up, 15 cm at standard body length. But you'll find that the one you raised isn't as beautiful as it looks like on the picture. This is normal, because in artificial environments, it is rare to cultivate beautiful individuals like those in natural environments. Japanese enthusiasts raised the fish entirely in reef ecological aquariums and got individuals as gorgeous as nature, but he lost a lot of corals and mollusks.
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