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These fish live in coral reefs around Australia. The blue and gold angelfish is related to the butterfly fish. They are perch-like fish with approximately eight thousand species and about 150 families.
The scientific name for the butterfly fish is; 'Chaetodon auriga'. The scientific name for the blue angelfish is; 'Pomacanthus semicirculatus'.
The butterfly fish gets its name from the large rectangular shape and its heavy spines at the bottom of the body. The butterfly fish has a dark band across its eye on each side, this is to disguise their eyes. They also have a false eye on their dorsal fin so predators will attack the false eye and not damage their real one. The blue angelfish has a blue band across its eyes. Most of the related species of fish have this band feature.
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