Black Opal is Australia’s national gemstone. Found in the Lightning Ridge area in northwestern New South Wales, black opals are natural, solid stones that absorb scattered white light, giving it brilliant spectral colors.
Thats an arothron meleagris, aka golden dogfaced pufferfish. Its a rare and expensive fish. not a "mango fish" and the guy holding it there is practically torturing it. inflating in water alone much less air can be dangerous and painful for those guys.