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Some introduced freshwater fish species have had devastating impacts on Australia's endemic freshwater fish species and other native aquatic life. For example, in much of south eastern Australia's freshwater systems introduced carp (often incorrectly called "European" carp) dominate the lowland reaches, [ 51 ] while introduced trout species ...
Native to the Mediterranean regions, more than one species of white snail is now quite common in Kadina and elsewhere in South Australia. This image shows many Theba pisana, and a number of smaller and more pointed Cochlicella acuta aestivating on a fence post. Cernuella virgata (Common white snail) [53] Cochlicella acuta (Pointed snail) [54]
Around 15% of Australia's flora is made up of introduced species. [58] The following is a non-inclusive list of some of the more significant plant species. See also: List of invasive species in Australia § Plants
Koala Humpback whale. A total of 386 species of mammals have been recorded in Australia and surrounding continental waters: 364 indigenous and 22 introduced. [1] The list includes 2 monotremes, 154 marsupials, 83 bats, 69 rodents (5 introduced), 10 pinnipeds, 2 terrestrial carnivorans (1 recent introduction, and 1 prehistoric introduction), 13 introduced ungulates, 2 introduced lagomorphs, 44 ...
Hunter and kangaroo in Thylungra, 1924.. Many species of game animals in Australia have been introduced by European settlers since the 18th century. [3] Among these are traditional game species such as deer, red foxes and upland birds (quails, pheasants and partridges), as well as other invasive species including rabbits/hares, cats, dogs, goats, pigs, donkeys, horses, feral cattle (including ...
Introduced trout species dominate the upland reaches of rivers in southeast Australia, and may have negative effects on upland native fish like the mountain galaxias species, Macquarie perch and the unfortunately named trout cod, but due to their popularity as sport fish, lack of historical records, and loss of angling memories, their damaging ...
Melaleuca quinquenervia, commonly known in Australia as niaouli, broad-leaved paperbark or the paper bark tea tree, is an invasive species in the Florida Everglades. There are a number of Australian species that have become invasive when introduced into outside Australia or outside Oceania.
Numerous plants have been introduced to the state of New South Wales, Australia during the past two centuries, and many of them have become invasive species or noxious weeds which by definition compete with native plants and suppress the growth of indigenous populations.