20.  fishes--disturbed  by  the  fleets  which  I  will  bring.
  
         
  fowls,  &c.--frightened  at  the  sight  of  so  many  men:  an  ideal  picture.
  
         
  mountains--that  is,  the  fortresses  on  the  mountains.
  
         
  steep  places--literally,  "stairs"  
  (So  2:14);
  steep  terraces  for  vines  on  the  sides  of  hills,  to  prevent  the earth 
  being  washed  down  by  the  rains.
  
         
  every  wall--of  towns.
JFB.
Picture Study Bible