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Fig. 3

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The mean export price (red triangles) and export price data of the different A. percula (grey circles) and P. biaculeatus (black circles) colour morphs with respect to their relative prevalence in the Kavieng lagoonal system. The solid line represents the exponential equation (y = 4.60x−0.51) best describing export price as a function of relative morph prevalence. The dashed line represents the bioeconomic equilibrium, if export prices were inversely proportional to relative morph prevalence (y = 4.60x−1.00).

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