Topographical distribution of blubber in finless porpoises (Neophocaena asiaeorientalis sunameri): a result from adapting to living in coastal waters

Zoological Studies

Table 4 Comparisons of inner blubber thicknesses among life history categories

Body region and aspect	Neonates ( n = 8)	Juveniles ( n = 17)	Lactating females ( n = 4)
Axillary
Dorsal	0.36 ± 0.06 A	0.65 ± 0.16 B	0.74 ± 0.15 B
Lateral	0.30 ± 0.04	0.42 ± 0.10	0.30 ± 0.04
Ventral	0.33 ± 0.02	0.42 ± 0.10	0.37 ± 0.13
Mid-thorax
Dorsal	0.37 ± 0.06 A	0.75 ± 0.18 B	0.82 ± 0.17 B
Lateral	0.32 ± 0.06	0.44 ± 0.11	0.43 ± 0.15
Ventral	0.30 ± 0.04	0.40 ± 0.10	0.36 ± 0.12
Umbilicus
Dorsal	0.48 ± 0.11 A	0.84 ± 0.17 B	0.93 ± 0.14 B
Lateral	0.32 ± 0.04	0.45 ± 0.12	0.39 ± 0.11
Ventral	0.32 ± 0.04	0.47 ± 0.13	0.45 ± 0.12
Genital slit
Dorsal	0.37 ± 0.04 A	0.75 ± 0.20 B	0.82 ± 0.21 B
Lateral	0.32 ± 0.04 A	0.46 ± 0.09 BC	0.41 ± 0.11 AB
Ventral	0.35 ± 0.07	0.48 ± 0.10	0.49 ± 0.24
Anus
Dorsal	0.33 ± 0.07 A	0.48 ± 0.11 A	0.73 ± 0.22 B
Lateral	0.34 ± 0.04 A	0.45 ± 0.07 B	0.56 ± 0.12 C
Ventral	0.34 ± 0.05 A	0.42 ± 0.07 B	0.51 ± 0.05 C

At each site, inner blubber thicknesses (mean ± SD) (cm) of life history groups followed by the same letter were not significantly different at P = 0.05 (Student-Newman-Keuls test). There were no significant differences among life history categories at sites without letters.