Bettas, tail types.
Flowerhorn cichlid - Collecting up my prior pins here for re-casting on new boards.
Friend or Foe? Freshwater Fish Compatibility for a Happy Tank Infographic
Fresh water Spotted Puffer, Brackish | PetSolutions
cool Freshwater Fish Compatibility Chart by http://www.dezdemon-exoticfish.space/freshwater-fish/freshwater-fish-compatibility-chart/
Kissing Gourami for Sale …
Black Diamond Freshwater Stingray - Captive Bred - © Josh Hanson
Strawberry Tetra Fish! Awe! A lil friend for my Abraham-a-fish... mmm-maybe...
blue angelfish - always wanted to try some angelfish, but they do grow fairly large (vertically) and are known to be pretty aggressive
Zebra pleco 3.1" so great for smaller 20 gallon tanks, hard to find and very expensive