“Histological Study of Maxillary Barbels in Silurus Triostegus and Heteropneustes Fossilis (SILURIFORMES) Fishes Collected from Basra City Waters ”. 2022. Samarra Journal of Pure and Applied Science 4 (2): 7-15. https://doi.org/10.54153/sjpas.2022.v4i2.333.