Dolphins of the kerguelenensis subspecies tend to be larger than those of C.c. commersonii .
Dolphins of the kerguelenensis subspecies differ in patterning in that they are dark grey instead of black , and light grey instead of white , except ventrally .
Dolphins of the kerguelenensis subspecies tend to be larger than those of C.c. commersonii , and differ in patterning in that they are dark grey instead of black , and light grey instead of white , except ventrally .