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 The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biologi ...

(v. 2013.2; data current at 3 March 2014):

Cetacea Cetacea (; , ) is an infraorder of aquatic mammals that includes whales, dolphins, and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often large size and exclusively carnivorous diet. They propel them ...

Balaenidae Balaenidae () is a family of whales of the parvorder Mysticeti that contains two living genera: the right whales (genus ''Eubalaena''), and in a separate genus, the closely related bowhead whale (genus ''Balaena''). Evolutionary history Bale ...

Southern right whale The southern right whale (''Eubalaena australis'') is a baleen whale, one of three species classified as right whales belonging to the genus ''Eubalaena''. Southern right whales inhabit oceans south of the Equator, between the latitudes of 20 ...

, ''Eubalaena australis''

Balaenopteridae Rorquals () are the largest group of baleen whales, which comprise the family Balaenopteridae, containing ten extant species in three genera. They include the largest animal that has ever lived, the blue whale, which can reach , and the fin wha ...

* Minke whale, ''Balaenoptera acutorostrata'' *

Southern minke whale The Antarctic minke whale or southern minke whale (''Balaenoptera bonaerensis'') is a species of minke whale within the suborder of baleen whales. It is the second smallest rorqual after the common minke whale and the third smallest baleen whale ...

, ''Balaenoptera bonaerensis'' *

Sei whale The sei whale ( , ; ''Balaenoptera borealis'') is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. It avoids polar and tropical ...

, ''Balaenoptera borealis'' *

Pygmy Bryde's whale Bryde's whale ( Brooder's), or the Bryde's whale complex, putatively comprises three species of rorqual and maybe four. The "complex" means the number and classification remains unclear because of a lack of definitive information and research. ...

, ''Balaenoptera edeni'' * Omura's whale, ''Balaenoptera omurai'' * Blue whale, ''Balaenoptera musculus'' (ssp. ''brevicauda'' – pygmy blue whale: , ssp. ''intermedia'': ) * Fin whale, ''Balaenoptera physalus'' * Humpback whale, ''Megaptera novaeangliae'' (Oceania subpopulation: )

Delphinidae

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

Bottlenose dolphin Bottlenose dolphins are aquatic mammals in the genus ''Tursiops.'' They are common, cosmopolitan members of the family Delphinidae, the family of oceanic dolphins. Molecular studies show the genus definitively contains two species: the common ...

, ''Tursiops truncatus''

Kogiidae Kogiidae is a family comprising at least two extant species of Cetacea, the Pygmy sperm whale, pygmy (''Kogia breviceps)'' and dwarf sperm whale, dwarf (''K. sima)'' sperm whales. As their common names suggest, they somewhat resemble sperm whales ...

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

Neobalaenidae

* Pygmy right whale, ''Caperea marginata''

Phocoenidae

* Spectacled porpoise, ''Phocoena dioptrica''

Physeteridae

Sperm whale The sperm whale or cachalot (''Physeter macrocephalus'') is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus ''Physeter'' and one of three extant species in the sperm whale famil ...

, ''Physeter macrocephalus''

Ziphiidae

Arnoux's beaked whale Arnoux's beaked whale (''Berardius arnuxii''), also called the southern four-toothed whale, southern beaked whale, New Zealand beaked whale, southern giant bottlenose whale and southern porpoise whale is one of the species of '' Berardius''. Arno ...

, ''Berardius arnuxii'' *

Southern bottlenose whale The southern bottlenose whale (''Hyperoodon planifrons'') is a species of whale, in the Ziphiid family, one of two members of the genus ''Hyperoodon''. Seldom observed, the southern bottlenose whale is resident in Antarctic waters. The species wa ...

, ''Hyperoodon planifrons'' * Longman's beaked whale, ''Indopacetus pacificus'' * Andrews' beaked whale, ''Mesoplodon bowdoini'' *

Blainville's beaked whale Blainville's beaked whale (''Mesoplodon densirostris''), or the dense-beaked whale, is believed to be the widest ranging mesoplodont whale. The French zoologist Henri de Blainville first described the species in 1817 from a small piece of jaw � ...

, ''Mesoplodon densirostris'' *

Ginkgo-toothed beaked whale The ginkgo-toothed beaked whale (''Mesoplodon ginkgodens'') is a poorly known species of whale even for a beaked whale, and was named for the unusual shape of its dual teeth. It is a fairly typical-looking species, but is notable for the males no ...

, ''Mesoplodon ginkgodens'' * Gray's beaked whale, ''Mesoplodon grayi'' * Hector's beaked whale, ''Mesoplodon hectori'' * Strap-toothed whale, ''Mesoplodon layardii'' * True's beaked whale, ''Mesoplodon mirus'' * Shepherd's beaked whale, ''Tasmacetus shepherdi'' * Cuvier's beaked whale, ''Ziphius cavirostris''

Sirenia

Dugongidae * Dugong, ''Dugong dugon''

Carnivora Carnivora is a Clade, monophyletic order of Placentalia, placental mammals consisting of the most recent common ancestor of all felidae, cat-like and canidae, dog-like animals, and all descendants of that ancestor. Members of this group are f ...

Pinnipedia

Otariidae

Australian fur seal The brown fur seal (''Arctocephalus pusillus''), also known as the Cape fur seal, South African fur seal and Australian fur seal, is a species of fur seal. Description The brown fur seal is the largest and most robust member of the fur seals. ...

, ''Arctocephalus pusillus'' * New Zealand fur seal, ''Arctocephalus forsteri'' * Antarctic fur seal, ''Arctocephalus gazella'' * Subantarctic fur seal, ''Arctocephalus tropicalis'' *

Australian sea lion The Australian sea lion (''Neophoca cinerea''), also known as the Australian sea-lion or Australian sealion, is a species of sea lion that is the only endemic pinniped in Australia. It is currently monotypic in the genus ''Neophoca'', with the e ...

, ''Neophoca cinerea'' * New Zealand sea lion, ''Phocarctos hookeri''

Phocidae

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

References