# List of marine mammals of Australia

This is the list of marine mammals found in Australian waters. It is a sub-list of the list of mammals of Australia.
Conservation status listed follows the IUCN Red List of Threatened Species (v. 2013.2; data current at 3 March 2014):
* EX – extinct
* EW – extinct in the wild
* CR – critically endangered
* EN – endangered
* VU – vulnerable
* NT – near threatened
* LC – least concern
* DD – data deficient
* NE – not evaluated

## Cetacea
### Balaenidae

* Southern right whale, Eubalaena australis LC

#### Balaenopteridae

* Minke whale, Balaenoptera acutorostrata LC
* Southern minke whale, Balaenoptera bonaerensis DD
* Sei whale, Balaenoptera borealis EN
* Pygmy Bryde's whale, Balaenoptera edeni DD
* Omura's whale, Balaenoptera omurai DD
* Blue whale, Balaenoptera musculus EN (ssp. brevicauda – pygmy blue whale: DD, ssp. intermedia: CR)
* Fin whale, Balaenoptera physalus EN
* Humpback whale, Megaptera novaeangliae LC (Oceania subpopulation: EN)

#### Delphinidae

* Short-beaked common dolphin, Delphinus delphis LC
* Pygmy killer whale, Feresa attenuata DD
* Short-finned pilot whale, Globicephala macrorhynchus DD
* Long-finned pilot whale, Globicephala melas DD
* Risso's dolphin, Grampus griseus LC
* Fraser's dolphin, Lagenodelphis hosei LC
* Hourglass dolphin, Sagmatias cruciger LC
* Dusky dolphin, Sagmatias obscurus DD
* Southern right whale dolphin, Lissodelphis peronii DD
* Irrawaddy dolphin, Orcaella brevirostris VU
* Australian snubfin dolphin, Orcaella heinsohni NT
* Orca (killer whale), Orcinus orca DD
* Melon-headed whale, Peponocephala electra LC
* False killer whale, Pseudorca crassidens NT
* Indo-Pacific humpback dolphin, Sousa chinensis VU
* Pantropical spotted dolphin, Stenella attenuata LC
* Striped dolphin, Stenella coeruleoalba LC
* Spinner dolphin, Stenella longirostris DD
* Rough-toothed dolphin, Steno bredanensis LC
* Indo-Pacific bottlenose dolphin, Tursiops aduncus DD
* Burrunan dolphin, Tursiops australis (T. truncatus: LC, T. aduncus: DD)
* Bottlenose dolphin, Tursiops truncatus LC

#### Kogiidae

* Pygmy sperm whale, Kogia breviceps DD
* Dwarf sperm whale, Kogia simus DD

#### Neobalaenidae

* Pygmy right whale, Caperea marginata DD

#### Phocoenidae

* Spectacled porpoise, Phocoena dioptrica DD

#### Physeteridae

* Sperm whale, Physeter macrocephalus VU

#### Ziphiidae

* Arnoux's beaked whale, Berardius arnuxii DD
* Southern bottlenose whale, Hyperoodon planifrons LC
* Longman's beaked whale, Indopacetus pacificus DD
* Andrews' beaked whale, Mesoplodon bowdoini DD
* Blainville's beaked whale, Mesoplodon densirostris DD
* Ginkgo-toothed beaked whale, Mesoplodon ginkgodens DD
* Gray's beaked whale, Mesoplodon grayi DD
* Hector's beaked whale, Mesoplodon hectori DD
* Strap-toothed whale, Mesoplodon layardii DD
* True's beaked whale, Mesoplodon mirus DD
* Shepherd's beaked whale, Tasmacetus shepherdi DD
* Cuvier's beaked whale, Ziphius cavirostris LC

## Sirenia

Dugongidae
* Dugong, Dugong dugon VU

## Carnivora
### Pinnipedia
#### Otariidae

* Australian fur seal, Arctocephalus pusillus LC
* New Zealand fur seal, Arctocephalus forsteri LC
* Antarctic fur seal, Arctocephalus gazella LC
* Subantarctic fur seal, Arctocephalus tropicalis LC
* Australian sea lion, Neophoca cinerea EN
* New Zealand sea lion, Phocarctos hookeri VU

#### Phocidae

* Leopard seal, Hydrurga leptonyx LC
* Weddell seal, Leptonychotes weddellii LC
* Crabeater seal, Lobodon carcinophaga LC
* Southern elephant seal, Mirounga leonina LC
* Ross seal, Ommatophoca rossii LC