Figure 1: Gross morphology of the stomach of Nile catfish. 1A: Ventral view of catfish showing the relationship of the gastrointestinal tract with other organs in the abdominal cavity. Oesophagus (O) connected to pharynx (Ph) and stomach (S), which overlapped by the liver (L). Notice the few convolutions of the intestine (I). (Bar=0.92 cm). 1B: Photograph of the gastrointestinal tract of catfish, showing oesophagus (O) lead to stomach (S), which is overlapped by liver (L) and connected to intestine (I) caudally. (Bar=1.5 cm). 1C: Photograph of the gastrointestinal tract of catfish. Oesophagus (O) connected to stomach, which is divided into cardiac (C), fundic (F) and pyloric (P) regions. The intestine is divided into anterior intestine (AI), posterior intestine (PI) and rectum (R). (Bar=0.90 cm).