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| Chelodina longicollis | |
|---|---|
| Name | Long-necked turtle |
| Status | LC |
| Status system | IUCN3.1 |
| Genus | Chelodina |
| Species | longicollis |
| Authority | (Shaw, 1794) |
Chelodina longicollis is a species of freshwater turtle native to Australia, notable for its elongate neck and side-necked retraction. It is widely studied by herpetologists in contexts involving Charles Darwin, John Gould, and Australian museums such as the Australian Museum and the South Australian Museum. The species features in conservation programs coordinated by agencies including the IUCN, the Department of the Environment (Australia), and regional bodies like the New South Wales National Parks and Wildlife Service.
Described in 1794 by George Shaw and historically treated within discussions by taxonomists at institutions such as the British Museum and the Natural History Museum, London, the species sits in the family Chelidae and the genus Chelodina. Debates over subspecies and related taxa have involved researchers from the Australian National University, the University of Sydney, and the University of Melbourne, with molecular work by teams affiliated to the CSIRO and the Commonwealth Scientific and Industrial Research Organisation clarifying relationships. Nomenclatural revisions cite collections from the Royal Society archives, the Zoological Society of London, and field reports deposited with the Tasmanian Museum and Art Gallery.
Adults exhibit an elongate carapace and an exceptionally long neck used for striking prey, traits compared across specimens housed at the British Museum (Natural History), the Queensland Museum, and the Museum Victoria. Morphological studies published through the Bulletin of Zoological Nomenclature, the Journal of Herpetology, and contributions to symposia held by the Society for Conservation Biology document shell shape, scute pattern, and soft-tissue coloration. Sexual dimorphism noted in collections from the Australian National Wildlife Collection parallels findings in field notes archived at the National Library of Australia.
The species occurs across eastern and southern Australia, with records in bioregions administered by the New South Wales Government, the Queensland Government, and the Victorian Government. It inhabits rivers, lakes, swamps and billabongs monitored by agencies such as the Murray-Darling Basin Authority and sites managed by the Parks Australia network. Habitat descriptions appear in environmental assessments submitted to the Great Barrier Reef Marine Park Authority, the Northern Territory Government, and regional councils including the Brisbane City Council.
Field studies conducted under permits from the Australian Research Council and university ethics committees reveal crepuscular and nocturnal activity patterns similar to observations archived by the Royal Zoological Society of New South Wales. Predation and trophic interactions have been assessed in reports for the Australian Wildlife Conservancy and ecological surveys for the World Wildlife Fund programs in Australia. Interactions with invasive species documented by the Invasive Species Council and population monitoring coordinated with the Department of Agriculture, Water and the Environment (Australia) highlight ecological pressures.
Diet analyses published in journals indexed by the Commonwealth Scientific and Industrial Research Organisation library show a carnivorous to opportunistic diet including fish, tadpoles and invertebrates, paralleling dietary studies from the University of Queensland, the Monash University ecology unit, and the University of Western Australia. Gut-content and stable isotope studies reported to the Australian Society for Fish Biology and shared with the Museum of Comparative Zoology have been used to compare feeding strategies among freshwater turtles in the Murray River and coastal catchments overseen by the State Government of Victoria.
Reproductive biology has been detailed in field guides published by the Royal Society of Tasmania, in theses from the University of Tasmania, and in captive breeding reports by institutions such as the Taronga Conservation Society Australia and the Melbourne Zoo. Nesting phenology tied to seasonal rainfall is recorded in monitoring programs led by the Bureau of Meteorology (Australia) and local landcare groups coordinated with the Australian Capital Territory Government. Developmental stages and longevity estimates appear in follow-up studies submitted to the Australian Journal of Zoology.
Assessed as Least Concern on international lists maintained by the IUCN, the species nonetheless features in regional action plans produced by the New South Wales Office of Environment and Heritage, the Victorian Department of Environment, Land, Water and Planning, and community programs run by the Bush Heritage Australia charity. Threats from habitat modification have been evaluated in environmental impact statements for projects reviewed by the Environmental Protection Authority (Victoria) and the Commonwealth Department of the Environment and Energy. Recovery and monitoring efforts involve collaborations among the Australian Museum, universities including the University of New England (Australia), and non‑governmental organizations such as the Australian Conservation Foundation.
Category:Chelodina Category:Reptiles of Australia