ArticleProceedings of the National Academy of Sciences of the United States of America2026
Decision rules diverge between sympatric Featherfin cichlids despite shared preferences, ecology, and evolutionary history.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
It has been hypothesized that divergence in animal decision processes can be attributed to differences in information processing mechanisms. However, the required comparative tests of this idea are hindered by ecological, perceptual, or motivational divergence among species that confound a direct analysis of decision processes. To overcome these limitations, we study two closely related, sympatric cichlid fishes (
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