With more then 210 genera and about 2000 species the Cyprinidae is the most species-rich
family of freshwater fishes.
Some grow to lengths in excess of 2 meters while others are diminutive.
The smallest freshwater fish is a Cyprinidae known as the Danio nella translucida.
The family is distributed throughout most of Europe and Asia, Africa and North America.
To the average fish keeper the Barbus, Danio and Rasbora are the most known species.