Evolution of the light organ system in ponyfishes (Teleostei: Leiognathidae)

@article{Chakrabarty2011EvolutionOT,
  title={Evolution of the light organ system in ponyfishes (Teleostei: Leiognathidae)},
  author={Prosanta Chakrabarty and Matthew P. Davis and W. Leo Smith and Rachel M. Berquist and Kristen M. Gledhill and Larry Frank and John S. Sparks},
  journal={Journal of Morphology},
  year={2011},
  volume={272}
}
Members of the leiognathid subfamily Gazzinae, comprising approximately two-thirds of ponyfish species, are sexually dimorphic with regard to features of the light organ system (LOS. [] Key Method We reconstruct the character evolution of both internal and external morphological features of the LOS to investigate the evolution of LO sexual dimorphism and morphology. Both internal and external sexual dimorphism in the ponyfish LOs were recovered as most likely to have evolved in the common ancestor of…
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It is hypothesized that the species‐specific, sexually dimorphic internal and external modifications of the leiognathid LOS provide compelling evidence for an assortative mating scheme in which males use species‐ specific patterns of lateral luminescence signaling to attract mates, and that this system functions to maintain reproductive isolation in these turbid coastal environments.
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TLDR
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TLDR
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