Big Surprises From Tiny Fish: Guppies Challenge “Volunteer’s Dilemma”
In a study conducted by the University of Exeter, Trinidadian guppies were observed to contradict the “volunteer’s dilemma” — a concept suggesting that individuals in larger groups are less likely to cooperate due to the assumption that others in the group will undertake necessary risks.Contrary to the “volunteer’s dilemma” suggesting less cooperation in larger groups, a new study found that Trinidadian guppies in larger shoals are more likely to take risks, such as approaching predators, for the collective benefit of the…