This is actually a beautiful fish that lives only in the Roanoke River in Virginia. It is called the Roanoke Darter.
This is not actually an aquarium fish, but an endangered species called the Roanoke Log Perch, which lives in the Roanoke River.
Panda Cory Cats just have a different look from similar Cory species. I have a school of five in one of my tanks.
Sterba Cory Catfish
Gold Nugget Pleco
These are called Glofish. I recently did a Fincast about them. You can watch it on YouTube. http://youtu.be/SA9PEBPnhWU
An Altum Angelfish. This is very close to what angelfish look like in the wild. From Segrest Farms. http://www.segrestfarms.com/
This is a discus. Originally from the Amazon River basin, they are an aquarium favorite -- but not for beginners.