event  cast  cycle     date_local  lat       lon        depth  niskin  taxon               size_class  abundance  
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      cryptophytes        2_to_10     0          
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      cryptophytes        10_to_20    0          
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      cryptophytes        gt20        0          
416    33    Cycle_2   07062010    8.97098   -90.49760  20     16      cryptophytes        total       0