average weight of sea otter
Normally, this species is 57 to 95 cm (23â37 in) long, not counting a tail of 35â45 cm (14â18 in). The female is shorter than the male. The otter's average body weight is 7 to 12 kg (15.4â26.4 lbs), although occasionally a large old male may reach up to 17 kg (37 lbs). The record-sized specimen, reported by a reliable source but not verified, weighed over 24 kg (53 lbs).