(OSTEOGLOSSIFORMES) , 7
                                            (Notopteridae) , , - (Featherbacks or knifefishes) 4 10

                                                    (Xenomystus) , 1


(Xenomystus nigri)   Xenomystus nigri (Günther, 1868)  

  :  
Notopterus nigri Günther, 1868   
Notopterus nili Steindachner, 1881   
   , , (Rus),  
   African knifefish (Eng)  
     
   10