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6 Fun Facts

Guppies

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There are nearly 300 different types of guppy throughout rivers in the Amazon, as well as in Barbados, Brazil, Guyana, Trinidad and Tobago and Venezuela.

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Like humans, guppies give birth to live young, which makes the birth process fascinating to watch, Williamson said.

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In captivity, female guppies reach sexual maturity at around 3 months.

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The guppy is named after Robert John Lechmere Guppy of Trinidad, a naturalist and an early collector of the fish.

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Guppies have been deliberately set free in Asian waters to fight the spread of malaria.

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To stop their habitat getting overcrowded, guppies have evolved to eat their own fry.