Environmental complexity and social organization sculpt the brain in Lake Tanganyikan cichlid fish.

@article{Pollen2007EnvironmentalCA,
  title={Environmental complexity and social organization sculpt the brain in Lake Tanganyikan cichlid fish.},
  author={Alexander A Pollen and Adam P Dobberfuhl and Justin Scace and Mathias M. Igulu and Suzy C. P. Renn and Caroly A. Shumway and Hans A. Hofmann},
  journal={Brain, behavior and evolution},
  year={2007},
  volume={70 1},
  pages={21-39}
}
Complex brains and behaviors have occurred repeatedly within vertebrate classes throughout evolution. What adaptive pressures drive such changes? Both environmental and social features have been implicated in the expansion of select brain structures, particularly the telencephalon. East African cichlid fishes provide a superb opportunity to analyze the social and ecological correlates of neural phenotypes and their evolution. As a result of rapid, recent, and repeated radiations, there are… CONTINUE READING
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