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Guyu (fish)
The Bloomfield River cod (''Guyu wujalwujalensis'') or the tropical nightfish, is a species of temperate perch endemic to Australia. It is only found in an 11-km stretch of the Bloomfield River (between two large waterfalls) in northern Queensland. These waterfalls appear to have blocked the migration of more aggressive tropical freshwater fish species such as the sooty grunter (''Hephaestus fuliginosus'') that have presumably naturally displaced the Bloomfield River cod from its former range in prehistoric times. With its very limited distribution, the Bloomfield River cod is clearly a relict species. It is a very important relict species, however, as it is the most northerly distributed percichthyid species in Australia, and raises interesting questions on the biogeography of percichthyid fish in Australia and the history of their ancient colonisation of Australian rivers. The species name ''wujalwujalensis'' comes from the Wujal Wujal Aboriginal community on the Bloomfield ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bradley James Pusey
Bradley is an English surname derived from a place name meaning "broad wood" or "broad meadow" in Old English. Like many English surnames Bradley can also be used as a given name and as such has become popular. It is also an Anglicisation of the Irish name Ó Brolacháin (also O’Brallaghan) from County Tyrone in Northern Ireland. The family moved and spread to counties Londonderry, Donegal and Cork, and England. Surname Bradley is the surname of the following notable people: * A. C. Bradley (Andrew Cecil Bradley, 1851–1935), English Shakespearean scholar * A. C. Bradley (screenwriter), an American screenwriter * Abraham Bradley Jr. (1767–1838), first Assistant Postmaster-General of the U.S. * Amy Lynn Bradley (born 1974), an American woman who disappeared during a Caribbean cruise * Andrew M. Bradley (1906–1983), American accountant and public official * Archie Bradley (baseball) (born 1992), American baseball player * Arthur Granville Bradley (1850–1943), Eng ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Biogeography
Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area.Brown University, "Biogeography." Accessed February 24, 2014. . Phytogeography is the branch of biogeography that studies the distribution of plants. Zoogeography is the branch that studies distribution of animals. Mycogeography is the branch that studies distribution of fungi, such as mushrooms. Knowledge of spatial variation in the numbers and types of organisms is as vital to us today as it was to our early human ancestors, as we adapt to heterogeneous but geographically predictable environments. Biogeography is an integrative field of inquiry that unites concepts and information from ecology, evolutionary biology, taxonomy, geology, physical geography, palaeontology, and climatology.Dansereau, Pierre. 1957 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fish Described In 2001
Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of living fish species are ray-finned fish, belonging to the class Actinopterygii, with around 99% of those being teleosts. The earliest organisms that can be classified as fish were soft-bodied chordates that first appeared during the Cambrian period. Although they lacked a true spine, they possessed notochords which allowed them to be more agile than their invertebrate counterparts. Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms. Many fish of the Paleozoic developed external armor that protected them from predators. The first fish with jaws appeared in the Silurian period, after which many (such as sharks) became formidable marine predators rather than just the prey of arthropods. Most fis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Freshwater Fish Of Queensland
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. Fresh water i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fish Measurement
Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish measured from the tip of the snout to the posterior end of the last vertebra or to the posterior end of the midlateral portion of the hypural plate. Simply put, this measurement excludes the length of the caudal (tail) fin. * Total length (TL) is the length of a fish measured from the tip of the snout to the tip of the longer lobe of the caudal fin, usually measured with the lobes compressed along the midline. It is a straight-line measure, not measured over the curve of the body. Standard length measurements are used with Teleostei (most bony fish), while total length measurements are used with Myxini (hagfish), Petromyzontiformes (lampreys), and (usually) Elasmobranchii (sharks and rays), as well as some other fishes. Total length meas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Golden Perch
The golden perch (''Macquaria ambigua'') is a medium-sized, yellow or gold-coloured species of Australian freshwater fish found primarily in the Murray-Darling River system, though a subspecies is found in the Lake Eyre-Cooper Creek system, and another subspecies, suspected to be ancestral to all other populations, is found in the Fitzroy River system in Queensland. Other common names for golden perch are "goldens", “yellowbelly” and "callop", the last generally used only in South Australia. Golden perch are not a true perch, which belongs to the genus ''Perca'' from the family Percidae, but a member of the Percichthyidae (temperate perch) family. This relatively widespread and widely stocked species is an important angling sport fish in Australia. Description Golden perch are medium-sized fish, commonly 30–40 cm and 1–2 kg in rivers. Fish from rivers are smaller and somewhat streamlined — fish in man-made impoundments are much deeper-bodied and show much ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Percichthyidae
The members of the family Percichthyidae are known as the temperate perches. They belong to the order Perciformes, the perch-like fishes. The name Percichthyidae derives from the Latin ''perca'' for perch and Ancient Greek ἰχθύς, ''ichthys'' for fish. Classification The temperate perches are closely related to the temperate basses of the family Moronidae, and older literature treats the latter as belonging to the family Percichthyidae. Australian freshwater percichthyids were once placed in the marine grouper family, Serranidae, and the two families are thought to be closely related. Almost 40 species of percichthyids are now recognised, grouped in 11–12 genera. Most but not all are exclusively freshwater fishes. They are mainly found in Australia, but species are also found in southern South America (''Percichthys''). More recently the Chinese perches have been classified in the separate family Sinipercidae while the genus ''Percilia'' has been found not to be close ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wujal Wujal
Wujal Wujal is a rural town and locality in the Wujal Wujal Aboriginal Shire, Queensland, Australia. In the , Wujal Wujal had a population of 282 people. It is an Aboriginal community. The community of Wujal Wujal is located in the Cape York region with the surrounding environment and cultural tourism attracting many people to the region. Wujal Wujal is part of the traditional homelands of the Eastern Kuku (Goo-goo) Yalanji (Ya-lan-gee). The name ‘Wujal Wujal’ or ‘many falls’ is derived from the local language. There are several Indigenous languages spoken within this community. Geography Wujal Wujal is on the north and south sides of the Bloomfield River in northern Queensland, Australia. It has an area of 19.94 square kilometres of land. It is located approximately north of Cape Tribulation and south of Cooktown. Access to the community is via sealed road from Cooktown, or by the Bloomfield Track, an unsealed road from Cape Tribulation which is only suitable for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Relict Species
In biogeography and paleontology, a relict is a population or taxon of organisms that was more widespread or more diverse in the past. A relictual population is a population currently inhabiting a restricted area whose range was far wider during a previous geologic epoch. Similarly, a relictual taxon is a taxon (e.g. species or other lineage) which is the sole surviving representative of a formerly diverse group. Definition A relict (or relic) plant or animal is a taxon that persists as a remnant of what was once a diverse and widespread population. Relictualism occurs when a widespread habitat or range changes and a small area becomes cut off from the whole. A subset of the population is then confined to the available hospitable area, and survives there while the broader population either shrinks or evolves divergently. This phenomenon differs from endemism in that the range of the population was not always restricted to the local region. In other words, the species or group did ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mark James Kennard
Mark may refer to: Currency * Bosnia and Herzegovina convertible mark, the currency of Bosnia and Herzegovina * East German mark, the currency of the German Democratic Republic * Estonian mark, the currency of Estonia between 1918 and 1927 * Finnish markka ( sv, finsk mark, links=no), the currency of Finland from 1860 until 28 February 2002 * Mark (currency), a currency or unit of account in many nations * Polish mark ( pl, marka polska, links=no), the currency of the Kingdom of Poland and of the Republic of Poland between 1917 and 1924 German * Deutsche Mark, the official currency of West Germany from 1948 until 1990 and later the unified Germany from 1990 until 2002 * German gold mark, the currency used in the German Empire from 1873 to 1914 * German Papiermark, the German currency from 4 August 1914 * German rentenmark, a currency issued on 15 November 1923 to stop the hyperinflation of 1922 and 1923 in Weimar Germany * Lodz Ghetto mark, a special currency for Lodz Ghetto. * R ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sooty Grunter
The sooty grunter (''Hephaestus fuliginosus''), also known by the name black bream, blubberlips, Northern grunter or purple grunter, is a species of freshwater ray-finned fish, a grunter from the family Terapontidae. It inhabits coastal and inland freshwater creeks and rivers of northern Australia. Description The sooty grunter is a relatively large species of grunter which is brownish-grey to sooty-black grunter with darker scale margins, although some specimens may show golden blotches on the sides. The juveniles possess dark blotches on the anal fin and the soft-rayed part of the dorsal fin. There is a discontinuous lip fold on the ventral side of the lower mandible. As they grow some individuals develop thick, fleshy lips. They have a moderately deep body which is oblong to oval in shape, laterally compressed and a dorsal profile which bulges between the nape and the start of the dorsal fin. It has an oblique mouth with the maxillary reaching the level of the front edge of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
