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      The ontogenetic development of egg-spots in the haplochromine cichlid fish Astatotilapia burtoni.

      Journal of Fish Biology
      Age Factors, Animals, Biological Evolution, Body Size, Cichlids, anatomy & histology, growth & development, Environment, Female, Male

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          Abstract

          A series of Astatotilapia burtoni photographs were used to investigate the ontogenetic development of male egg-spots, a putative evolutionary key innovation of haplochromine cichlids. Four stages of egg-spot development were defined and all males had developed true egg-spots (stage 4) before reaching a standard length of 25 mm. Raising condition only slightly influenced the timing of the first appearance of true egg-spots. © 2011 The Authors. Journal of Fish Biology © 2011 The Fisheries Society of the British Isles.

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          Author and article information

          Journal
          21539562
          10.1111/j.1095-8649.2011.02944.x

          Chemistry
          Age Factors,Animals,Biological Evolution,Body Size,Cichlids,anatomy & histology,growth & development,Environment,Female,Male

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