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Do fish have personalities

My fish all act slightly different—it seems odd that fish could have unique personalities, but do they?

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Lilliana Rogahn

Lvl 10
5y ago
Updated: 10/25/2022

Some research out of the University of Exeter suggests that fish do have personalities behind those blank stares. Tom Houslay and his research team exposed guppies to scary stuff—a fake heron (rather aptly named Grim) and a fake cichlid, a predator fish (they called him Big Al, which I appreciate more than I can put into words). The team recorded the guppies’ responses over several exposures to those scares, and not only did individual fish react differently to the fright, but they did so in the same ways time after time.

The researchers thus concluded that the fish have their own, limited sort of personalities—in spite of being raised in the exact same environment, they respond to stimuli in ways that vary from fish to fish.

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Kitty Schaden

Lvl 10
5y ago

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