Abstract of
Uyeno, T., and G.R. Smith. 1972. Tetraploid origin of the
karyotype of catostomid fishes. Science 175:644-646.
Catostomid fishes, like certain cyprinine cyprinoids, are
tetrapoids with (2n) 100 chromosomes. These are among the fastest
growing, widest ranging fishes in North America.