Hypophthalmichthys molitrix Photo credit: Dan O'Keefe, Michigan Sea Grant

Hypophthalmicthys nobilis Photo credit: U.S. Geological Survey, Bugwood.org

Mylopharyngodon piceus Photo credit: U.S. Geological Survey , U.S. Geological Survey, Bugwood.org

Cyprinella lutrensis Photo credit: Marine Discovery, Wikipedia

Gymnocephalus cernuus Photo credit: © Alan Butterworth/Flickr

Channa marulius Photo credit: Florida Fish and Wildlife Conservation Commission, Bugwood.org

Channa maculata Photo credit: Photo taken from the website of CAFS (http://zzzy.cafs.ac.cn/)

Channa micropeltes Photo credit: JW/Flickr