Guppies are a species of freshwater, tropical fish native to South America. ... To mimic these waters, aim to keep the water in your guppy's tank in the mid-70 degrees Fahrenheit, with 76 degrees as an ideal temperature, according to Williamson.

Do guppies need a heater?

So, do I need a heater for my guppy fish tank? The short answer is, YES! You need to heat the water for your guppies, unless you live in a tropical climate, where the temperature does not drop under 68 °F (20 °C).

Can you put guppies in a tropical tank?

Guppy fish are versatile tropical fish that have a peaceful nature, which makes them great contenders for community aquariums. They're sociable and compatible with many fish species. When it comes to keeping different species in the same aquarium, compatibility is crucial.