Obeten Offem, Benedict, Yemi Akegbejo Samsons, and Isaac Tunde Omoniyi. “Diet, Size and Reproductive Biology of the Silver Catfish, Chrysichthys Nigrodigitatus (Siluformes: Bagridae) in the Cross River, Nigeria”. Revista de Biología Tropical 56, no. 4 (December 1, 2008): 1785–1799. Accessed June 25, 2025. https://archivo.revistas.ucr.ac.cr/index.php/rbt/article/view/5759.