The Cape Fur Seal is also known as Brown Fur Seal (Arctocephalus pusillus). It is the largest and most robust fur seal. Males of the South African subspecies are 2.3 m (7.5 ft) in length on average and weigh from 200-300 kg (440-660 lb). Females are smaller, averaging 1.8 m (5.9 ft) in length and weighing an average of 120 kg (260 lb).