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5 results

  • Development of Betta splendens embryos and larvae reveals variation in pigmentation patterns

  • Alexis N. Carey, Benjamin H. Lyvers, Rachel N. Ferrill, Rachel L. Johnson, Anne Marie Dumaine, Belinda J. Sly
  • Journal:
    Zygote / Volume 24 / Issue 3 / June 2016
    Published online by Cambridge University Press:
    21 July 2015, pp. 396-400

  • Vertebrate pigmentation provides an ideal system for studying the intersections between evolution, genetics, and developmental biology. Teleost fish, with their accessible developmental stages and intense and diverse colours produced by chromatophores, are an ideal group for study. We set out to test whether Betta splendens is a good model organism for studying the evolution and development of diverse pigmentation. Our results demonstrate that B. splendens can be bred to produce large numbers of offspring with easily visualized pigment cells. Depending on the colour of the parents, there was variation in larval pigmentation patterns both within and between breeding events. In juveniles the developing adult pigmentation patterns showed even greater variation. These results suggest that B. splendens has great potential as a model organism for pigmentation studies.