Multiple within species comparisons show Tanganyikan cichlid fish have larger brains in less structurally complex habitats
Bin Ma, Weiwei Li, Zitan Song, Stefan Fischer, Etienne Lein, Arne Jungwirth, Alex L. Jordan
This study compares brain size and architecture across ten cichlid species in different habitat complexities, finding larger brains in less complex habitats, challenging the Clever Foraging Hypothesis.
bioRxiv · Dec 6, 2024 · PreprintEvolutionary Biology