The dwarf angelfish's size lends itself to aquariums. They generally get ut to 1.2 to 6 inches. They are of the Centropyge genus. Some like the flameback, flame, lemonpeal, bicolor, coral beauty and Potter's angelfish are fairly well known. others like the peppermint are very rare, especially if they live in deep water.
Check out these sources for some good information and dwarf angelfish,
http://reefkeeping.com/issues/2003-02/hcs3/index.php
http://reefkeeping.com/issues/2007-09/jf/index.php
https://www.youtube.com/watch?v=HAG_hQz81rE
Here are some photos you can find from a quick online search.
Peppermint Angelfish.

Coral Beauty

Lemonpeel

Yellow - no blue around the eyes

Bicolor

Centbi

Insolata

Yellow fin

Bluefin

Check out these sources for some good information and dwarf angelfish,
http://reefkeeping.com/issues/2003-02/hcs3/index.php
http://reefkeeping.com/issues/2007-09/jf/index.php
https://www.youtube.com/watch?v=HAG_hQz81rE
Here are some photos you can find from a quick online search.
Peppermint Angelfish.

Coral Beauty

Lemonpeel

Yellow - no blue around the eyes

Bicolor

Centbi

Insolata

Yellow fin

Bluefin
