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Differentiation index (DI) of Euphausia superba by sex or stage; n shown in brackets in bold.
| Sex or stage | Differentiation index |
|---|---|
| Juveniles (44) | 4.506 ± 0.039 |
| Mature Females (19) | 5.839 ± 0.197 |
| Spent Females (14) | 5.703 ± 0.211 |
| Males I (29) | 4.334 ± 0.073 |
| Males II (13) | 3.180 ± 0.047 |
