The role of familiarity in grouping decisions of Trinidadian guppies
A. S. Rao, N. P. C. Alves, J. T. Sakata, Simon M Reader
This study investigates whether Trinidadian guppies prefer to group with familiar individuals, finding no evidence for familiarity preference despite a strong preference for conspecifics.
bioRxiv · Nov 9, 2026 · PreprintAnimal Behavior & Cognition