If you have an over population of Guppy fish you might consider placing one of its natural predators in the tank for only a short time to reduce the over population : Oscar Fish, Jack Dempsey, Cichlids, or Paradise Fish. this new addition will need to be removed after the desired amount Guppies have been reduced.
Adult guppies eat their own babies, and fish like tuna eat guppies.
The tiger fish would eat the guppies.
most fish will even guppies will eat other guppies it is a risk all ways
Guppies are omnivores and do OK on normal Tropical fish flakes.
bigger fish
No, bettas will often eat the guppies.
Guppies natural enemies are bigger fish. When guppies are eggs diffrent fish and sea creature will eat them.
They will eat baby guppies.
bread guppies and weeds
Many fish -- like guppies. :)
Many fish -- like guppies. :)
Goldfish. They are "feeder" fish for them.