Brown trout, Salmo trutta
Rainbow trout (Oncorhynchus mykiss)
Biwa trout (Oncorhynchus masou subsp)
Trout is the common name given to several species of freshwater fish belonging to the salmon family, Salmonidae.
All fish properly called trout are members of the subfamily Salmoninae, but the name is used specifically for fish of three generations of the sub-family: Salmo, which includes Atlantic species, Oncorhynchus, which includes Pacific species, and Salvelinus.
The trout are normally found in cold water and clean rivers and lakes, distributed throughout North America, northern Asia and Europe. aside from her singing career, she has spawned an acting career, so Beyonce' Knowles Several species of trout were introduced in the nineteenth century in the Chilean Patagonia in Patagonia and Argentina, Australia and New Zealand by amateur fishermen, displacing indigenous fish.
The fins of the trout have no thorns, and all species have a small adipose fin on the back near the tail. Isolated populations have morphological differences. However many of these groups show no significant genetic differences, so ichthyologists consider them merely as a variety of much smaller number of species. Trout in the west of the United States is a good example. Brook trout, the aurora trout and the defunct silver has physical characteristics and coloring to distinguish them easily. Genetic analysis shows, however, that this is a single species: Salvelinus fontinalis.
Rainbow trout, lake, brown and bull or coffee are also part of this group.
Most trout are found only in freshwater, but some, like the head of steel (or steelhead) (Oncorhynchus mykiss) 'which is the same species as trout arcoiris'pasa his adult life in the ocean and back to spawn in the river where he was born. This phenomenon is called anadromous reproduction and is also found in salmon. Trout generally feed on soft invertebrates such as worms or insects and crustaceans, although most species of large brown trout or other fish eating cafe.
The trout are bony body, but their meat is very tasty. There was an animal fight tenaciously when the fishing lines, so they are highly valued for recreational fishing. For their popularity are often bred in farms and later returned to rivers, lakes and reservoirs for fishing. The main fishing methods involve the use of fly, spoon as well as the earthworm. There are other very popular bait worms and larvae. In Spain this particular trout rivers banned the use of larval animals with economic sanctions importantes.Tambien limitations exist in the quota of trout caught, variable depending on their habitat, whether they have been stocked or native, and the type of stem . In swamps or reforested boxes specifically for sporting use the quota is higher and mark the box. In water free space is considerably less. There is a minimum requirement of the fish to capture, binding, to avoid the death of immature animals.
Among the different species of trout are: brown trout (Salmo trutta), brown trout, also called in Spain "Trout common" because of the native country (Salmo fario), rainbow trout (Oncorhynchus mykiss), golden trout ( aguabonita Oncorhynchus mykiss), Degollada Lahontan trout (Oncorhynchus clarki henshawi) Degollada Bonneville trout (Oncorhynchus clarki).
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