What Do Guppies Eat? Diet Guide & Feeding Tips Guppies have small, upturned mouths that are well-suited for picking small bits of food from the water’s surface. They also have teeth in their jaws and on the roof of their mouths, which allow them to grind up small pieces of food. Feeding your guppies on a regular basis will ensure that they have the proper nutrition to survive. They usually leave other guppies alone, but other species seem to be …
