G.C Clutton :: Painter and illustrator Ethel King colouring a mounted preserved specimen of a Queensland Groper in 1926 [Australian Museum]

In 1925 the Australian Museum was commissioned by the Fijian government to prepare fish specimens for an exhibition in The New Zealand and South Seas International Exhibition in Dunedin. The instructions that came with the fish were to have them mounted on a pedestal and painted in natural colors.

Source and more info about this painter: Australian Museum