What kind of fish can you put with guppies?
Molly Fish, especially with small fins, you should keep with guppies.
Zebra Danio, being active and harmless fish go along with guppies.
Cardinal Tetra Fish, perfect for community tank that has Guppies.
Neon Tetra are good companion for guppies in 20g or bigger tank.
Critter like Ghost Shrimp also does well in the tank of guppy.
Harlequin Rasbora Fish is another good option for the community tank of Guppies.
Platy Fish is good option for the community tank that has guppies
Cory Catfish being the cleaner of the tank, they don't have issues with guppies.
You can integrate Guppies in variety of harmless community tank setups.