Threatened Species Day fact sheet
Department of the Environment and Heritage, 2006
About the fact sheet
The Australian Sea-lion is a handsome pinniped – fin-footed mammal – with a blunt snout and tightly rolled external ears with front and hind flippers. Pinnipeds are marine mammals, which includes seals, sea-lions and walruses.
Australian Sea-lion males are typically chocolate brown and can reach more than 2 metres in length and weigh up to 300 kilograms. Females are smaller and their colouring is generally silvery ash-grey above and yellow to cream on their underparts. Females can grow to more than 1.5 metres in length and weigh up to 80 kilograms.