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May 25, 2022
On the list of scientific tools that help us understand health, evolution or the environment, the Trinidadian guppy doesn't often come to mind. The fish are more often thought of as aquarium pets in the United States and, in their native Trinidad, wild guppies are so ubiquitous, they’re almost taken for granted. But thanks to a unique combination of biology and ecology, guppies have provided researchers with insights into evolution for decades. Integrative biologists Sarah Evans and Sarah Fitzpatrick are studying these fish to help probe big questions about how microbes living in host organisms contribute to health, survival and quality of life. The results of their research was recently published in the journal Proceedings of the Royal Society B.

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