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Encyclopedia > Brown trout
Brown trout

Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Salmo
Species: S. trutta
Binomial name
Salmo trutta
Linnaeus, 1758
Morphs

Salmo trutta morpha trutta
Salmo trutta morpha fario
Salmo trutta morpha lacustris Image File history File links Emblem-important. ... Image File history File links Download high resolution version (856x336, 57 KB) Please see the file description page for further information. ... The conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. ... Image File history File links Status_iucn2. ... Least Concern (LC) is an IUCN category assigned to extant species or lower taxa which have been evaluated but do not qualify for any other category. ... For other uses, see Scientific classification (disambiguation). ... For other uses, see Animal (disambiguation). ... Typical Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... Orders See text The Actinopterygii are the ray-finned fish. ... Genera (see text) Salmonidae is a family of ray-finned fish, the only family of order Salmoniformes. ... Genera (see text) Salmonidae is a family of ray-finned fish, the only family of order Salmoniformes. ... Species (see text) Salmo Linnaeus, 1758, is a genus of fish in the salmon family (Salmonidae) that includes many familiar species of salmon and trout. ... This article does not cite any references or sources. ... Carl Linnaeus, Latinized as Carolus Linnaeus, also known after his ennoblement as  , (May 13, 1707[1] – January 10, 1778), was a Swedish botanist, physician and zoologist[2] who laid the foundations for the modern scheme of nomenclature. ... Cover of the tenth edition of Linnaeuss Systema Naturae (1758). ... A Morph, meaning form (from the Latin morpha), is a zoological term that descibes local populations or subpopulations of a single species of animal that may or may not be phenotypically distinct from the larger population as a whole. ...

The brown trout (Salmo trutta morpha fario and S. trutta morpha lacustris) and the sea trout (S. trutta morpha trutta) are fish of the same species. A Morph, meaning form (from the Latin morpha), is a zoological term that descibes local populations or subpopulations of a single species of animal that may or may not be phenotypically distinct from the larger population as a whole. ... For other uses, see Fish (disambiguation). ...


They are distinguished chiefly by the fact that the brown trout is largely a freshwater fish, while the sea trout shows anadromous reproduction, migrating to the oceans for much of its life and returning to freshwater only to spawn. For the village on the Isle of Wight, see Freshwater, Isle of Wight. ... Many types of fish undertake migrations on a regular basis, on time scales ranging from daily to annual, and with distances ranging from a few meters to thousands of kilometers. ... Animated map exhibiting the worlds oceanic waters. ... Frog spawn Spawning is the production or depositing of eggs in large numbers by aquatic animals. ...


The lacustrine morph of brown trout is most usually potamodromous, migrating from lakes into rivers or streams to spawn, although there is some evidence of stocks that spawn on wind-swept shorelines of lakes. S. trutta morpha fario form stream-resident populations, typically in alpine streams but sometimes in larger rivers. There is evidence that anadromous and non-anadromous morphs coexisting in the same river can be genetically identical [1]. In common usage, the name "brown trout" is often applied indiscriminately to the various morphs. Lacustrine is derived from the Latin word lacus, which means lake. ... A Morph, meaning form (from the Latin morpha), is a zoological term that descibes local populations or subpopulations of a single species of animal that may or may not be phenotypically distinct from the larger population as a whole. ... Many types of fish undertake migrations on a regular basis, on time scales ranging from daily to annual, and with distances ranging from a few meters to thousands of kilometers. ...


The brown trout is normally considered to be native to Europe and Asia but the natural distribution of the migratory forms may be, in fact, circumpolar. There are also landlocked populations far from the oceans, for example in Greece and Estonia. The fish is not considered to be endangered although, in some cases, individual stocks are under various degrees of stress mainly through habitat degradation, overharvest and artificial propagation leading to introgression. S. trutta morpha fario prefers cold (though in comparison with other trout, this species has a somewhat higher temperature preference of about 60-65 F, or 15.5-18.3 C), well-oxygenated upland waters, especially large streams in mountainous areas. Cover is important to trout, and they are more likely to be found where there are submerged rocks, undercut banks, and overhanging vegetation. For other uses, see Europe (disambiguation). ... For other uses, see Asia (disambiguation). ... An endangered species is a species whose population is so small that it is in danger of becoming extinct. ... Fish stocks are subpopulations of a particular species of fish, for which intrinsic parameters (growth, recruitment, mortality and fishing mortality) are the only significant factors in determining population dynamics, while extrinsic factors (immigration and emmigration) are considered to be insignificant. ... × The Traffic Light colour convention, showing the concept of Harvest Control Rule (HCR), specifying when a rebuilding plan is mandatory in terms of precautionary and limit reference points for spawning biomass and fishing mortality rate. ... Conservation genetics is a science that aims to apply genetic methods to the maintenance, loss, and restoration of biodiversity. ... General Name, Symbol, Number Oxygen, O, 8 Chemical series nonmetals Group, Period, Block 16 (VIA), 2, p Density, Hardness 1. ...

Brown trout

The brown trout is a medium sized fish, growing to 20 kg or more in some localities although in many smaller rivers a mature weight of 1 kg (2 lb) or less is common. The current International Game Fish Association (IGFA) world "all tackle" record brown trout, 18.25 kg (40 pounds, 4 ounces), was caught in May of 1992 from the Little Red River, Arkansas by Howard "Rip" Collins. (Story with images) Image File history File linksMetadata Size of this preview: 480 × 600 pixelsFull resolution (2400 × 3000 pixel, file size: 7. ... Image File history File linksMetadata Size of this preview: 480 × 600 pixelsFull resolution (2400 × 3000 pixel, file size: 7. ... “Kg” redirects here. ... Year 1992 (MCMXCII) was a leap year starting on Wednesday (link will display full 1992 Gregorian calendar). ... The Little Red River is a river in north-central Arkansas. ... Official language(s) English Capital Little Rock Largest city Little Rock Largest metro area Little Rock Metropolitan Area Area  Ranked 29th  - Total 53,179 sq mi (137,002 km²)  - Width 239 miles (385 km)  - Length 261 miles (420 km)  - % water 2. ...


Brown trout may live for several years although, as with the Atlantic salmon, there is a high proportion of death of males after spawning and probably fewer than 20% of female kelts recover from spawning. The migratory forms grow to significantly larger sizes and may live longer. Brown trout are active both by day and by night and are opportunistic feeders. While in fresh water, the diet will frequently include invertebrates from the streambed, small fish, frogs, and insects flying near the water's surface. The high dietary reliance upon insect larvae, pupae, nymphs and adults is what allows trout to be a favoured target for fly fishing. Sea trout are especially fished for at night using wet flies. Binomial name Salmo salar Linnaeus, 1758 Atlantic salmon, known scientifically as Salmo salar, is a species of fish in the family Salmonidae, which is found in the northern Atlantic Ocean and in rivers that flow into the Atlantic. ... The bed of this stream is made up of rocks, some very rounded (having had a longer life in the stream) and some not. ... Distribution of frogs (in black) Suborders Archaeobatrachia Mesobatrachia Neobatrachia - List of Anuran families The frogness babe is an amphibian in the order Anura (meaning tail-less from Greek an-, without + oura, tail), formerly referred to as Salientia (Latin saltare, to jump). ... Fly rod and reel with a wild brown trout from a chalk stream. ... Blue Winged Olive, a classic dry fly for trout. ...


The spawning behaviour of brown trout is similar to that of the closely related Atlantic salmon. A typical female produces about 2000 eggs per kilogram (900 eggs per pound) of body weight at spawning. Brown trout rarely form hybrids, almost invariably infertile, with other species. One such example is the tiger trout, a hybrid with the brook trout. The tiger trout (Salmo trutta X Salvelinus fontinalis) is a sterile, intergeneric hybrid of the brown trout (Salmo trutta) and the brook trout (Salvelinus fontinalis). ... Binomial name (Mitchill, 1814) The brook trout (Salvelinus fontinalis) is a species of fish in the salmon family (family Salmonidae) of order Salmoniformes. ...


Trout is a favourite food fish, and is used both fresh and smoked; there are many recipes for it, and it may be eaten fried, grilled, baked or microwaved. Spaghetti with seafood (Spaghetti allo scoglio). ... This article is about culinary recipes. ... Microwave oven A microwave oven, or microwave, is a kitchen appliance employing microwave radiation primarily to cook or heat food. ...


The specific epithet trutta derives from the Latin trutta, meaning, literally, "trout". For other uses, see Species (disambiguation). ... For other uses, see Latin (disambiguation). ...


Stocking, farming and non-native brown trout

Fishes in the Faroe Islands:
Brown trout (Salmo trutta fario)
Faroese stamp issued: 7 Feb 1994
Artist: Astrid Andreasen

The species has been widely introduced for purposes of sport into North America, South America, Australia and New Zealand. Brown trout have had serious negative impacts on upland native fish species in some of the countries where they have been introduced, particularly Australia. Because of the trout's importance as a food and game fish, it has been artificially propagated and stocked in many places in its range, and fully natural populations (uncontaminated by allopatric genomes) probably exist only in isolated places, for example in Corsica or in high alpine valleys on the European mainland. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... Astrid Jóhanna Andreasen (born 1948 in Vestmanna, Faroe Islands) is a Faroese textile and graphical artist, marine researcher and postage stamp designer. ... Sweet clover (), introduced and naturalized to the U.S. from Eurasia as a forage and cover crop. ... North America North America is a continent[1] in the Earths northern hemisphere and (chiefly) western hemisphere. ... South America South America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. ... Cascadilla Creek, near Ithaca, New York in the United States, an example of an upland river habitat. ... A hatchery is a facility where eggs are hatched under artificial conditions, especially those of fish or poultry. ... Allopatric speciation (also known as Allopatry) is speciation by geographical isolation. ... In biology the genome of an organism is the whole hereditary information of an organism that is encoded in the DNA (or, for some viruses, RNA). ... For other uses, see Corsica (disambiguation). ...


Farming of brown trout has included the production of infertile triploid fish by increasing the water temperature just after fertilisation of eggs, or more reliably by a process known as pressure shocking. Triploids are favoured by anglers because they grow faster and larger than diploid trout. Proponents of the stocking of triploids argue that, because they are infertile, they can be introduced into an environment that contains wild brown trout without the negative effects of cross-breeding. However, it is possible that stocking triploids may damage wild stocks in other ways. Triploids certainly compete with diploid fish for food, space and other resources. They could also be more aggressive than diploid fish and they may disturb spawning behaviour. Polyploid (in Greek: πολλαπλόν - multiple) cells or organisms contain more than one copy (ploidy) of their chromosomes. ... Angling is a method of fishing, specifically the practice of catching fish by means of an angle (hook). ... Diploid (meaning double in Greek) cells have two copies (homologs) of each chromosome (both sex- and non-sex determining chromosomes), usually one from the mother and one from the father. ...


Sea trout populations in recent years have seriously declined due to infestation by sea lice from salmon farms. [1] This article or section is in need of attention from an expert on the subject. ...


References

  1. ^ Clover, Charles. 2004. The End of the Line: How overfishing is changing the world and what we eat. Ebury Press, London. ISBN 0-09-189780-7

"Salmo trutta". FishBase. Ed. Ranier Froese and Daniel Pauly. 10 2005 version. N.p.: FishBase, 2005. The IUCN Red List of Threatened Species (also known as the IUCN Red List and Red Data List), created in 1963, is the worlds most comprehensive inventory of the global conservation status of plant and animal species and can be found here. ... The World Conservation Union or International Union for the Conservation of Nature and Natural Resources (IUCN) is an international organization dedicated to natural resource conservation. ... The Integrated Taxonomic Information System (ITIS) is a partnership designed to provide consistent and reliable information on the taxonomy of biological species. ... is the 30th day of the year in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar. ... FishBase is a comprehensive database of information about fish. ...

  • Clover, Charles. 2004. The End of the Line: How overfishing is changing the world and what we eat. Ebury Press, London. ISBN 0-09-189780-7
  • Heacox, Cecil E. (1974). The Complete Brown Trout. New York: Winchester Press. ISBN 0876911297. 

External links


  Results from FactBites:
 
Brown Trout Of The Boulder Mountain, Are there any brown trout on Boulder Mountain? The answer to that question is YES! (1621 words)
There are no brown trout in the lakes of Boulder Mountain, but the streams that flow from this mountain hold plenty of browns in the lower reaches.
Brown trout were first introduced to this area in the 1940's by wildlife officers and sportsmen attempting to bring some diversity to the local fisheries.
The brown trout continue to be the majority of fish caught here, but are beginning to give way to the rainbow as you move upstream closer to the Boulder Mountain.
Brown Trout/Fish of the Great Lakes by Wisconsin Sea Grant (255 words)
Brown trout, a European relative of the Atlantic salmon, arrived in North America as early as 1883 and were introduced to Wisconsin waters four years later.
Brown trout have adjusted well to life in Lake Michigan.
Brown trout are among the wariest of fish, feeding usually at dusk or at night, so fishermen are the adult brown's chief predator.
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