The cherry barb, Puntius titteya is a tropical fish belonging to the spotted barb genus of the Cyprinidae family. It is native to Sri Lanka, and introduced populations have become established in Mexico and Colombia. The cherry barb was named Puntius titteya by Paul E. P. Deraniyagala in 1929. It has also been referred to as Barbus titteya and Capoeta titteya.The species is commercially important in the aquarium trade, and the more colorful varieties are in danger of being overfished for this industry. They were listed as a Lower Risk/conservation dependent species in 1996.[1]
An Endangered Humpback Chub (Gila cypha)The Colorado River basin supports one of the most distinctive fish communities in North America, including the federally endangered humpback chub (Gila cypha). One of only six remaining populations of this fish is found in Grand Canyon National Park, Arizona. USGS scientists and their cooperators are responsible for monitoring the Grand Canyon population. The number Grand Canyon adult humpback chub--fish 4 years old and older and capable of reproduction--increased to approximately 7.650 fish between 2001 and 2008.Source: USGS http://gallery.usgs.gov/photos/05_19_2011_u05Ct21SRm_05_19_2011_0