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Real-time fish interaction enlarges young guppy brains, while screen time falls short

Young guppies who were able to see and interact with live fish developed larger brains than guppies who only saw other fish on a screen. This is shown in a new study from Stockholm University, published in Biology Letters. The findings suggest that live social interaction in real

Real-time fish interaction enlarges young guppy brains, while screen time falls short
Phys.org โ€” 3 June 2026
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Young guppies who were able to see and interact with live fish developed larger brains than guppies who only saw other fish on a screen. This is shown in a new study from Stockholm University, published in Biology Letters. The findings suggest that live social interaction in real time may be important for brain development.

This report comes from Phys.org. The story centres on Real-time fish interaction enlarges young guppy brains, while screen time falls short. Full coverage and background context is available at the original source. Readers seeking more detail on this developing topic are encouraged to follow updates from Phys.org and related outlets covering this beat.

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