| Food    items | 
        Numerical    method | 
        Frequency    of occurrence | 
        Food    items | 
        Numerical    method | 
       
      
        |   | 
        Number | 
        % 
          frequency | 
        Number | 
        % 
          frequency | 
       
      
        | Plant    material | 
        9,945 | 
        64.8 | 
        320 | 
        90.00 | 
       
      
        | Crustaceans | 
        2,390 | 
        15.6 | 
        110 | 
        31.25 | 
       
      
        | Fish    fragment
          (bones    and scales) | 
        789 | 
        5.1 | 
        90 | 
        25.5 | 
       
      
        | Sand    grains | 
        - | 
        - | 
        305 | 
        86.7 | 
       
      
        | Unidentified    masses | 
        - | 
        - | 
        290 | 
        82.4 | 
       
      
        | Total  | 
        15,356 | 
        100 | 
          | 
          | 
       
      |