Anubias Frezeri is a great Anubias for mid to background as this plant is a tall Anubias Specie. It Can get up to 20+" tall. Right now they are averaging approx. 6" tall.
Anubias Frezeri will hold up to cichlids and other tough settings.
As with all Anubias, it does well from very little light to high light.
Hardiness: Very Easy
Light Needs: Low
Plant Structure: Rhizome
Family: Araceae
Genus: Anubias
Location: Mid-Ground to background
Growth Rate: Slow
Planting instructions
You can plant Anubias on driftwood, between rocks, or aquarium decorations. You can also plant them in your substrate but make sure you do not plant any of the rhizomes in your substrate, only the black roots that come off the rhizome. Please go here for more information on planting
http://www.plantedaquariumscentral.com/informative-articles.html