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EL PAÍS English·4 min read·medium

Unusual creatures are more appealing: What guppies teach us about evolution

Unusual creatures are more appealing: What guppies teach us about evolution
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Research on guppies in Trinidad suggests that female fish prefer 'unusual' males, a behavior that supports the 'sexy son' evolutionary hypothesis. The study highlights how sexual selection drives the diversity of traits in nature.

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Understanding evolutionary biology helps scientists grasp the mechanisms behind biodiversity and the long-term survival strategies of species.

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Spanish biologist Ignacio Paulin became fascinated by the behavior of these fish, in a project that could now disappear due to budget cuts by the Trump administration

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Confidence: 95%

The content is a scientific report on evolutionary biology and does not contain political bias.

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