(1)
Obeten Offem, B.; Akegbejo Samsons, Y.; Tunde Omoniyi, I. Diet, Size and Reproductive Biology of the Silver Catfish, Chrysichthys Nigrodigitatus (Siluformes: Bagridae) in the Cross River, Nigeria. Rev. Biol. Trop. 2008, 56, 1785–1799.