Transplant experiments demonstrate that larger brains are favoured in high-competition environments in Trinidadian killifish.
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DOI: 10.1111/ele.14133
Abstract: The extent to which the evolution of a larger brain is adaptive remains controversial. Trinidadian killifish (Anablepsoides hartii) are found in sites that differ in predation intensity; fish that experience decreased predation and increased intraspecific… read more here.
Keywords: larger brains; brain; competition; competition environments ... See more keywords