Pilbara Freshwater Ecoregion
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Pilbara Freshwater Ecoregion
The Pilbara freshwater ecoregion is a freshwater ecoregion in Australia. It includes several river basins in semi-arid northwestern Western Australia. Geography The ecoregion includes, from south to north, the drainages of the Greenough River, Greenough, Murchison River (Western Australia), Murchison, Gascoyne River, Gascoyne, Ashburton River (Western Australia), Ashburton, Fortescue River, Fortescue, and De Grey River, De Grey rivers.. Unmack, Peter. "Pilbara". ''Freshwater Ecoregions of the World (FEOW)''. Accessed 27 July 2021. https://www.feow.org/ecoregions/details/802 These rivers drain Western Australia's Pilbara and Gascoyne regions. The climate of the ecoregion is tropical and semi-arid. Most of the rivers are intermittent river, intermittent (or ephemeral). The ecoregion has rugged terrain, underlain by ancient Precambrian blocks. Most of the ecoregion is over 200 metres in elevation, and the highest elevation is Mount Meharry at 1,253 metres elevation. Many of the river ...
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Chichester Range Millstream - Chichester NP
Chichester () is a City status in the United Kingdom, cathedral city and civil parish in West Sussex, England.OS Explorer map 120: Chichester, South Harting and Selsey Scale: 1:25 000. Publisher:Ordnance Survey – Southampton B2 edition. Publishing Date:2009. It is the only city in West Sussex and is its county town. It was a Ancient Rome, Roman and Anglo-Saxon settlement and a major market town from those times through Norman dynasty, Norman and medieval times to the present day. It is the seat of the Church of England Diocese of Chichester, with a 12th-century cathedral. The city has two main watercourses: the Chichester Canal and the River Lavant, West Sussex, River Lavant. The Lavant, a Winterbourne (stream), winterbourne, runs to the south of the city walls; it is hidden mostly in culverts when close to the city centre. History Roman period There is no recorded evidence that the city that became Chichester was a settlement of any size before the coming of the Roman p ...
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Southwestern Australia
Southwest Australia is a biogeographic region in Western Australia. It includes the Mediterranean-climate area of southwestern Australia, which is home to a diverse and distinctive flora and fauna. The region is also known as the Southwest Australia Global Diversity Hotspot, as well as Kwongan. Geography The region includes the Mediterranean forests, woodlands, and scrub ecoregions of Western Australia. The region covers 356,717 km2, consisting of a broad coastal plain 20-120 kilometres wide, transitioning to gently undulating uplands made up of weathered granite, gneiss and laterite. Bluff Knoll in the Stirling Range is the highest peak in the region, at 1,099 metres (3,606 ft) elevation. Desert and xeric shrublands lie to the north and east across the centre of Australia, separating Southwest Australia from the other Mediterranean and humid-climate regions of the continent. Climate The region has a wet-winter, dry-summer Mediterranean climate, one of five such regions ...
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Ecoregions Of Australia
Ecoregions in Australia are geographically distinct plant and animal communities, defined by the World Wide Fund for Nature based on geology, soils, climate, and predominant vegetation. The World Wide Fund for Nature (WWF) identified 825 terrestrial ecoregions that cover the Earth's land surface, 40 of which cover Australia and its dependent islands. The WWF ecoregions are classified by biome type (tropical and subtropical moist broadleaf forests, temperate grasslands, savannas, and shrublands, tundra, etc.), and into one of eight terrestrial realms. Australia, together with New Zealand, New Guinea and neighboring island groups, is part of the Australasian realm. The IBRA bioregions informed the delineation of the WWF ecoregions for Australia, and the WWF ecoregions generally follow the same ecoregion boundaries, while often clustering two or more similar bioregions into a larger ecoregion. The ecoregion articles in Wikipedia generally follow the WWF scheme. The WWF ecoregions ...
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Blind Cave Eel
The blind cave eel (''Ophisternon candidum'') is a species of cavefish in the family Synbranchidae. It is the longest cavefish in Australia (up to ) and one of the only three vertebrates in Australia that is restricted to underground waters, the other being the blind gudgeon (''Milyeringa veritas'') and the Barrow cave gudgeon (''Milyeringa justitia''). It is blind, its body is eel-like and elongated, and it has a non-pigmented skin with colours ranging from white to pink. The blind cave eel is endemic to northwestern Australia, specifically in the Cape Range region, the Pilbara Region, and the Barrow Island region. It is rarely spotted due to its habitat and has only been spotted 36 times from 1959 to 2017. Notably, there is an evolving independent parentage in the Pilbara region showing a significant genetic difference from other blind cave eels. The blind cave eel lives in a total darkness environment in underground waters disconnecting from the surface seawater. The ...
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Milyeringa Veritas
''Milyeringa veritas'' (commonly known as the blind gudgeon) is a species of fish in the family Milyeringidae. It is endemic to groundwater and anchialine systems in caves in the Cape Range, Australia. Like other cave-adapted fish, the blind gudgeon is entirely blind and lacks pigmentation, using sensory papillae on its head and body to move around and find food. It has a reduced number of scales on its body and the head is almost scaleless. It reaches a standard length of . It is listed as vulnerable under the Australian Environment Protection and Biodiversity Conservation Act 1999. It is an omnivorous species which feeds on feeds on algae and possibly also detritus, as well as invertebrates. Invertebrates consumed by ''M. veritas'' include '' Stygiocaris sp.'', aquatic insect larvae such as those of caddis flies and non aquatic invertebrates which accidentally fall into the water such as isopods, ants and cockroaches. When the gut contents have been sampled 10% of the ide ...
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Fortescue Grunter
The Fortescue grunter (''Leiopotherapon aheneus'') is a species of freshwater ray-finned fish, a grunter from the family Terapontidae. It is endemic to rivers in Western Australia. Description The Fortescue grunter has a moderately deep, slightly compressed oval body with convex dorsal profile and a largely straight ventral profile. It has an oblique mouth, which reaches as far as the level of the front of the eye. The upper and lower jaws are equipped with conical teeth with the outer row being enlarged and there are no teeth on the roof of the mouth. The body is covered in finely ctenoid and there is a continuous, smoothly curved lateral line. The dorsal fin is continuous, the spiny part contains 11-13 spines and is arched with the fifth spine being the longest, the spines behind that decreasing in size. There are 8-9 soft rays in the dorsal fin and the longest of these are shorter than longest dorsal spines. The anal fin has 3 spines and 8-9 rays. The caudal fin is emarginate. ...
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Hypseleotris Aurea
''Hypseleotris aurea'', the golden gudgeon, is a species of fish in the family Eleotridae endemic to Australia, where it is found in rocky pools in the Murchison and Gascoyne Rivers in Western Australia. This species can reach a length of . It can be found in the aquarium trade. References External links Photograph aurea Aurea, golden in Latin, may refer to: * Aurea (car), a former Italian automobile manufactured in Turin from 1921 to 1930 * Aurea (singer) (born 1987), Portuguese singer * Aurea Alexandrina, a kind of opiate or antidote * Áurea, a municipality ... Freshwater fish of Western Australia Taxonomy articles created by Polbot Fish described in 1950 {{Gobiiformes-stub ...
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Craterocephalus Cuneiceps
''Craterocephalus'' is a genus of small and slender brackish or freshwater silversides from Australia and New Guinea. It is the most diverse genus in the family Atherinidae, containing 25 of the 71 species. Species The currently recognized species in this genus are: * '' Craterocephalus amniculus'' Crowley & Ivantsoff, 1990 (Darling River hardyhead) * '' Craterocephalus capreoli'' Rendahl ( de), 1922 (Rendahl's hardyhead) * '' Craterocephalus centralis'' Crowley & Ivantsoff, 1990 (Finke River hardyhead) * '' Craterocephalus cuneiceps'' Whitley, 1944 (Murchison River hardyhead) * '' Craterocephalus dalhousiensis'' Ivantsoff & Glover, 1974 (Dalhousie hardyhead) * '' Craterocephalus eyresii'' (Steindachner, 1883) (Lake Eyre hardyhead) * '' Craterocephalus fistularis'' Crowley, Ivantsoff & G. R. Allen, 1995 * '' Craterocephalus fluviatilis'' McCulloch, 1912 (Murray hardyhead) * '' Craterocephalus fulvus'' Ivantsoff, Crowley & Allen, 1987 (Unspecked hardyhead) * '' Crateroceph ...
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Spangled Perch
''Leiopotherapon unicolor'', the spangled grunter or spangled perch is a species of ray-finned fish, a grunter from the family Terapontidae. It is endemic to Australia. Description ''Leiopotherapon unicolor'' has a slender, oval shaped body which is somewhat compressed, although the juveniles are more rotund. The dorsal profile is mainly convex, the ventral profile is evenly convex and it has a long snout. The mouth is oblique, the maxillary extending past the level of the front of the eye and is equipped with strong conical teeth with those in the outer row enlarged and the inner band being villiform and there are no teeth on the roof of the mouth. They have a continuous dorsal fin with a spiny part to the front which is rounded and contains 11-13 spines with the third or fourth spines being the longerst. The rear part of the dorsal fin has 9-12 soft rays the longest being longer than the longest dorsal fin spines. The anal fin has 3 short spines and 7-10 soft rays and has a ...
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Amniataba Percoides
''Amniataba'' is a genus of fish in the family Terapontidae, that includes three species, with two being found in Oceania, and one in the Western Central Pacific. Species * '' Amniataba affinis'' ( Mees & Kailola, 1977) (tiger grunter) * '' Amniataba caudavittata'' (Richardson Richardson may refer to: People * Richardson (surname), an English and Scottish surname * Richardson Gang, a London crime gang in the 1960s * Richardson Dilworth, Mayor of Philadelphia (1956-1962) Places Australia * Richardson, Australian Cap ..., 1845) (yellowtail trumpeter) * '' Amniataba percoides'' ( Günther, 1864) (barred grunter) References Perciformes genera Terapontidae {{Perciformes-stub ...
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Hyrtl's Catfish
''Neosilurus hyrtlii'', commonly known as Hyrtl's catfish or Glencoe tandan, is a species of catfish found across northern Australia, from the Pilbara to southeastern Queensland. Taxonomy ''Neosilurus hyrtlii'' has been given many common names, including common eel-tail catfish, Glencoe tandan, Hyrtl's tandan, inland catfish, moonfish, moony, Morton's tandan, mottled tandan, salmon catfish, silver moonfish, straight-backed catfish, white tandan, yellow fin tandan and yellow-finned catfish. Austrian naturalist Franz Steindachner described the species in 1867, from the Fitzroy River in Queensland. Description This catfish is generally between in length, though larger fish to 30 cm long are not uncommon. Fish of up to have been recorded from the Alligator River. Female fish are a little larger than male fish. The head is wide and mildly flattened with four pairs of barbels. It has a sturdy dorsal spine, the inside edge of which is serrated. Large fish are dark brown or gre ...
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Bony Bream
Bony bream ''Nematalosa erebi'' are a widespread and common, small to medium-sized Australian freshwater fish often found in large shoals throughout much of northern and central Australia, and the Murray-Darling basin. Description A deep bodied, laterally compressed fish with a blunt snout. Spineless dorsal fin with the posterior ray developedinto a long filament. Usually silver overall, sometimes grey to greenish dorsally. In Victoria it has been reported to develop a rusty red tinge especially around the mouth which is thought to be related to breeding. Some populations develop a dark blotch on the shoulder. Distribution Common and widespread throughout its range, found in the Pilbara, Timor Sea, Gulf of Carpentaria, Northeast Coast, Murray-Darling (at elevations below 200 metres, 650 ft) Are present in Tinaroo Dam, elevation 660m, often referred to as "Barra lollies" because of a tendency for impoundment barramundi to round them up and Lake Eyre Australi ...
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