Australia
Oceans
Seas
Bays
Largest rivers
Biggest natural lakes
Perciformes - Perches
Siluriformes - Catfishes
Centrarchiformes - Basses and sunfishes
Osteoglossiformes - Bony tongues
Ceratodontiformes - Lungfishes
Mugiliformes - Mullets
Anguilliformes - Eels and morays
Labriformes - Wrasses
Acanthuriformes - Surgeonfishes
Gobiiformes - Gobies
Kurtiformes - Nurseryfishes & Cardinalfishes
Carcharhiniformes - Ground sharks
Gonorynchiformes - Milkfishes
Myliobatiformes - Stingrays
Perciformes - Perches
Siluriformes - Catfishes
Centrarchiformes - Basses and sunfishes
Gadiformes - Cods
Spariformes - Breams and porgies
Carangiformes - Jacks
Labriformes - Wrasses
Acanthuriformes - Surgeonfishes
Beloniformes - Needlefishes
Anguilliformes - Eels and morays
Scombriformes - Mackerels
Scorpaeniformes - Mail-cheeked fishes
Mugiliformes - Mullets
Tetraodontiformes - Puffers and filefishes
Mulliformes - Goatfishes
Istiophoriformes - Barracudas
Blenniiformes - Blennies
Trachiniformes - Weeverfishes
Pleuronectiformes - Flatfishes
Gobiiformes - Gobies
Aulopiformes - Grinners
Acropomatiformes - Oceanic basses
Holocentriformes - Squirrelfishes
Beryciformes - Sawbellies
Lampriformes - Lamprids
Kurtiformes - Nurseryfishes & Cardinalfishes
Lophiiformes - Anglerfishes
Syngnathiformes - Pipefishes and Seahorses
Callionymiformes - Dragonets
Carcharhiniformes - Ground sharks
Orectolobiformes - Carpet shark
Lamniformes - Mackerel sharks
Echinorhiniformes - Bramble sharks
Gonorynchiformes - Milkfishes
Myliobatiformes - Stingrays
Ophidiiformes - Cusk-eels
Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of 7,617,930 square kilometres (2,941,300 sq mi), Australia is the largest country by area in Oceania and the world’s sixth-largest country.
Australia is the oldest, flattest, and driest inhabited continent, with the least fertile soils. It is a megadiverse country, and its size gives it a wide variety of landscapes and climates, with deserts in the centre, tropical rainforests in the northeast, and mountain ranges in the southeast.