species                     sample_number  cruise_id  lat    lon      date         length  replicate_number  d15N   d13C    Molar_C_to_N  
Myctophum_nitidulum         Mn1            SWFSC1630  5.65   -108.00  2006-08-25   53      1                 12.1   -17.9   4.13          
Myctophum_nitidulum         Mn2            SWFSC1630  5.65   -108.00  2006-08-25   59      2                 12.4   -17.5   3.94          
Myctophum_nitidulum         Mn3            SWFSC1631  0.23   -119.92  2006-09-15   57      1                 7.6    -18.9   4.36          
Myctophum_nitidulum         Mn4            SWFSC1630  7.07   -95.32   2006-08-29   54      1                 9.6    -17.5   3.91          
Myctophum_nitidulum         Mn5            SWFSC1631  4.48   -134.73  2006-09-10   50      1                 12.2   -18.6   4.50          
Myctophum_nitidulum         Mn6            SWFSC1630  6.83   -80.83   2006-09-12   54      1                 11.5   -17.8   4.07          
Myctophum_nitidulum         Mn7            SWFSC1630  6.23   -90.90   2006-09-22   44      1                 12.1   -17.8   4.07          
Myctophum_nitidulum         Mn8            SWFSC1630  6.23   -90.90   2006-09-22   49      2                 11.8   -17.5   4.04          
Myctophum_nitidulum         Mn9            SWFSC1630  6.23   -90.90   2006-09-22   43      3                 12.4   -17.8   4.10          
Myctophum_nitidulum         Mn10           SWFSC1631  5.02   -113.58  2006-10-28   57      1                 10.3   -17.6   3.91          
Myctophum_nitidulum         Mn11           SWFSC1631  -1.90  -107.58  2006-09-19   58      1                 5.8    -18.8   4.40          
Myctophum_nitidulum         Mn12           SWFSC1631  5.32   -122.33  2006-08-12   48      1                 11.7   -17.9   4.12          
Myctophum_nitidulum         Mn13           SWFSC1631  2.30   -105.25  2006-10-25   39      1                 11.4   -17.8   3.91