经过大范围实测 最小的虎鲸种群 南极C 雌性平均5.2米 最大5.8(论文提出比常规母虎鲸短0.6米 所以母虎鲸典型体长 5.8米) 雄性平均5.6米 最大6.1 (论文提出比常规公虎鲸短1.1米 所以公虎鲸的典型体长6.7米) For the 252 individual whales we photographed, images of 220 were of sufficient quality to measure accurately (Table 2). These included 64 males, 33 adult females (with calves), 26 calves, and 97 individuals of unknown age and sex (the latter presumably mainly juveniles and nonbreeding adult females). Females with calves averaged 5.2 m ± 0.23 SD in length and ranged from 4.6 to 5.8 m; males averaged 5.6 ± 0.32 m and ranged from 4.9 to 6.1 m. Dependent calves averaged 2.9 m and ranged from 2.1 to 3.4 m.
最大的种群 南极A型 平均成年雄性7.3米 平均雌性6.4米 最大的雌性7.7米 最大的雄性9(or 9.1米) 可以看出整体最大的是南极A 但是极端个体比不了日本海域 雌雄都是 Our results confirm that Type C killer whales represent a population of substantially smaller animals within the community of Antarctic killer whales (Fig. 3a), and that they are even smaller than Soviet researchers indicated. Mikhalev et al. (1981) analyzed a subset of the Soviet whaling data shown in Fig. 3a and reported that among regular (i.e., Type A) killer whales, TL of adult females averaged 6.4 m with a maximum of 7.7 m, and males averaged 7.3 m with a maximum of 9.0 m. This would make Type A females approximately 1–2 m larger, and males 2–3 m (that is, up to 50%) larger than respective Type C killer whales (see “Results”).