Light microscopy of dissected epidermal layers taken from the first abdominal segment of prawns indicated that indeed, gross morphological changes occurred within a short time of prawns being moved from one environment to another (Fig. 7). Investigation of the epidermal layer from prawns
maintained in a white tank until time 0h (Fig. 7a) showed small, densely pigmented chromatophores. When similar epidermal layers were viewed from prawns that had been moved to black tanks and left for 3h or 7 days (Fig. 7c and e, respectively), there had been a dispersion of pigment throughout the chromatophores, such that by day 7, pigment was over the majority of the surface, located in stellate chromatophores.
Light microscopy of dissected epidermal layers taken from the first abdominal segment of prawns indicated that indeed, gross morphological changes occurred within a short time of prawns being moved from one environment to another (Fig. 7). Investigation of the epidermal layer from prawnsmaintained in a white tank until time 0h (Fig. 7a) showed small, densely pigmented chromatophores. When similar epidermal layers were viewed from prawns that had been moved to black tanks and left for 3h or 7 days (Fig. 7c and e, respectively), there had been a dispersion of pigment throughout the chromatophores, such that by day 7, pigment was over the majority of the surface, located in stellate chromatophores.
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