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Tasmanian Whitebait
The Tasmanian whitebait (''Lovettia sealli''), also known as the Australian whitebait or Derwent whitebait, is a semi-anadromous osmeriform fish of the family Galaxiidae, found only in Tasmania and southern Victoria, Australia. Naming Scottish naturalist Robert Mackenzie Johnston described the species in 1883 as ''Haplochiton sealii''. Calling it the Derwent smelt, he observed that it appeared in numbers in the upper Derwent near New Norfolk in October and November. Allan Riverstone McCulloch placed it in the genus ''Lovettia'' in 1915, describing it from specimens collected by a Mr Lovett from the Derwent River. Originally named Tasmanian whitebait the species was renamed Australian whitebait following the discovery of a population in southern Victoria on the Australian mainland in 1993. It is the only species of its genus, ''Lovettia''. Description ''L. sealii'' is a slender, spindle shaped scale-less fish that grows to a maximum length of 77 mm, commonly 65 m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Allan Riverstone McCulloch
Allan Riverstone McCulloch (20 June 1885 – 1 September 1925) was a prominent Australian ichthyologist. Born in Sydney, Australia, McCulloch began his scientific career at the age of 13 as an unpaid assistant to Edgar Ravenswood Waite in the Australian Museum where Waite encouraged McCulloch to study zoology. Three years later, he was employed as a "mechanical assistant", and five years after that, as curator of fishes, a post he held until his death. McCulloch collected and published prolifically; from his first paper in 1906 (published in ''Records of the Australian Museum''), no year passed without his making a contribution to science, and he wrote over 100 original papers in all, many including his own illustrations. McCulloch travelled widely for his collections, including trips to Queensland, Lord Howe Island, New Guinea, the Great Barrier Reef and various Pacific islands. His major research interest was in fish, but he was also given the responsibility of the crustace ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New Norfolk, Tasmania
New Norfolk is a town on the River Derwent, in the south-east of Tasmania, Australia. At the 2011 census, New Norfolk had a population of 5,543. Situated north-west of Hobart on the Lyell Highway, New Norfolk is a modern Australian regional centre which retains evidence of its pioneer heritage. Two examples of this heritage are Tasmania's oldest Anglican church, St. Matthews (built in 1823) and one of Australia's oldest hotels, The Bush Inn (Tasmania), trading continuously in the same building (built in 1815) since issue of the first licence on 29 September 1825. Many private homes from the 1800s to the early 1820s have also survived, such as Glen Derwent, Stanton, Valleyfield, and Woodbridge. History Resettlement of Norfolk Islanders Approximately 163 of the pioneers who settled around the town were from the 554 folk resettled when the first Norfolk Island settlement was closed, most arriving during the period between 29 November 1807 and 2 October 1808. These Norfolk Isl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freshwater Fish Of Tasmania
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include non- salty mineral-rich waters such as chalybeate springs. Fresh water may encompass frozen and meltwater in ice sheets, ice caps, glaciers, snowfields and icebergs, natural precipitations such as rainfall, snowfall, hail/ sleet and graupel, and surface runoffs that form inland bodies of water such as wetlands, ponds, lakes, rivers, streams, as well as groundwater contained in aquifers, subterranean rivers and lakes. Fresh water is the water resource that is of the most and immediate use to humans. Water is critical to the survival of all living organisms. Many organisms can thrive on salt water, but the great majority of higher plants and most insects, amphibians, reptiles, mammals and birds need fresh water to survive. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monotypic Fish Genera
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispecific" or "monospecific" is sometimes preferred. In botanical nomenclature, a monotypic genus is a genus in the special case where a genus and a single species are simultaneously described. In contrast, an oligotypic taxon contains more than one but only a very few subordinate taxa. Examples Just as the term ''monotypic'' is used to describe a taxon including only one subdivision, the contained taxon can also be referred to as monotypic within the higher-level taxon, e.g. a genus monotypic within a family. Some examples of monotypic groups are: Plants * In the order Amborellales, there is only one family, Amborellaceae and there is only one genus, '' Amborella'', and in this genus there is only one species, namely ''Amborella trichopoda.' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otolith
An otolith ( grc-gre, ὠτο-, ' ear + , ', a stone), also called statoconium or otoconium or statolith, is a calcium carbonate structure in the saccule or utricle of the inner ear, specifically in the vestibular system of vertebrates. The saccule and utricle, in turn, together make the ''otolith organs''. These organs are what allows an organism, including humans, to perceive linear acceleration, both horizontally and vertically (gravity). They have been identified in both extinct and extant vertebrates. Counting the annual growth rings on the otoliths is a common technique in estimating the age of fish. Description Endolymphatic infillings such as otoliths are structures in the saccule and utricle of the inner ear, specifically in the vestibular labyrinth of all vertebrates (fish, amphibians, reptiles, mammals and birds). In vertebrates, the saccule and utricle together make the ''otolith organs''. Both statoconia and otoliths are used as gravity, balance, movement, and d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anderson's Inlet
Anderson Inlet (Boonwurrung: ''Toluncan''), sometimes incorrectly referred to as Andersons Inlet, is a shallow and dynamic estuary in South Gippsland, Victoria, Australia where the Tarwin River enters Bass Strait. It forms a almost enclosed bay next to the town of Inverloch, for which it provides a popular and protected beach. At low tide its intertidal mudflats provide important feeding habitat for migratory waders. It is also an important area for recreational fishing. It is named after Samuel Anderson pioneer explorer the first European to settle in the area. Tourism Inverloch is an important tourist town, with visitor numbers swelling in the summer months due to the coastal lifestyle and proximity to Melbourne. Anderson Inlet's popularity is hinged on the almost-enclosed bay, making it a protected beach with safe swimming. At low tide the surf beach can be accessed on foot around the western headland. Anderson Inlet is also a popular recreational boating area with a b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tarwin River
The Tarwin River is a perennial river of the West Gippsland catchment, located in the South Gippsland region of the Australian state of Victoria. The Tarwin River is the primary river system within South Gippsland Shire and has a catchment area of approximately , predominantly rural with small pockets of residential land use. It flows south from the Strzlecki Ranges and discharges in the eastern reaches of Anderson Inlet, a shallow estuary connected to Bass Strait. Course and features Formed by the confluence of the Tarwin River East Branch that drains the southwestern slopes of the Strzlecki Ranges from an elevation of and the Tarwin River West Branch that drains the southern slopes of the Strzlecki Ranges from a northerly point at an elevation of , the Tarwin River rises near the locale of Tarwin, west of . The east branch of the river rises below the locale of Dollar, then heads north through Tarwin East and on to before heading south through a valley, breaking out on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dorsal Fin
A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom. Many species of animals possessing dorsal fins are not particularly closely related to each other, though through convergent evolution they have independently evolved external superficial fish-like body plans adapted to their marine environments, including most numerously fish, but also mammals such as cetaceans (whales, dolphins, and porpoises), and even extinct ancient marine reptiles such as various known species of ichthyosaurs. Most species have only one dorsal fin, but some have two or three. Wildlife biologists often use the distinctive nicks and wear patterns which develop on the dorsal fins of large cetaceans to identify individuals in the field. The bony or cartilaginous bones that support the base of the dorsal fin in fish are called ''pterygiophores''. Functions The main purpose of the dorsal fin is to stabilize the animal against rollin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Derwent (Tasmania)
The River Derwent is a river located in Tasmania, Australia. It is also known by the palawa kani name timtumili minanya. The river rises in the state's Central Highlands at Lake St Clair, and descends more than over a distance of more than , flowing through Hobart, the state's capital city, before emptying into Storm Bay and flowing into the Tasman Sea. The banks of the Derwent were once covered by forests and occupied by Aboriginal Tasmanians. European settlers farmed the area and during the 20th century many dams were built on its tributaries for the generation of hydro-electricity. Agriculture, forestry, hydropower generation and fish hatcheries dominate catchment land use. The Derwent is also an important source of water for irrigation and water supply. Most of Hobart's water supply is taken from the lower River Derwent. Nearly 40% of Tasmania's population lives around the estuary's margins and the Derwent is widely used for recreation, boating, recreational fishing, mar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Robert Mackenzie Johnston
Robert Mackenzie Johnston F.L.S., (27 November 1843 – 20 April 1918)R. L. Wettenhall,Johnston, Robert Mackenzie (1843 - 1918), ''Australian Dictionary of Biography'', Volume 9, MUP, 1983, pp 501-503. Retrieved 8 November 2012 was a Scottish-Australian statistician and scientist. Early life Johnston was born at Petty near Inverness, Scotland, the son of Lachlan Johnstone, a crofter, and his wife Mary, ''née'' Mackenzie. Johnston was educated at the village school where his ability was quickly recognized. Johnson was influenced by the life of Hugh Miller, a stonemason and geologist, whose books were lent to him. Johnston obtained work on the railways, read widely, and studied botany, geology, and chemistry at the Andersonian University under Professors Kennedy, Crosskey, and Penny. Glasgow. Career in Australia Emigrating to Australia in 1870 he was given a position in the accountant's branch of the Launceston and Western District railway. He transferred to the government ser ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, smaller islands. With an area of , Australia is the largest country by area in Oceania and the world's List of countries and dependencies by area, sixth-largest country. Australia is the oldest, flattest, and driest inhabited continent, with the least fertile soils. It is a Megadiverse countries, megadiverse country, and its size gives it a wide variety of landscapes and climates, with Deserts of Australia, deserts in the centre, tropical Forests of Australia, rainforests in the north-east, and List of mountains in Australia, mountain ranges in the south-east. The ancestors of Aboriginal Australians began arriving from south east Asia approximately Early human migrations#Nearby Oceania, 65,000 years ago, during the Last Glacial Period, last i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Victoria (Australia)
Victoria is a state in southeastern Australia. It is the second-smallest state with a land area of , the second most populated state (after New South Wales) with a population of over 6.5 million, and the most densely populated state in Australia (28 per km2). Victoria is bordered by New South Wales to the north and South Australia to the west, and is bounded by the Bass Strait to the south (with the exception of a small land border with Tasmania located along Boundary Islet), the Great Australian Bight portion of the Southern Ocean to the southwest, and the Tasman Sea (a marginal sea of the South Pacific Ocean) to the southeast. The state encompasses a range of climates and geographical features from its temperate coastal and central regions to the Victorian Alps in the northeast and the semi-arid north-west. The majority of the Victorian population is concentrated in the central-south area surrounding Port Phillip Bay, and in particular within the metropolit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
