https://wikimd.com/index.php?action=history&feed=atom&title=CoregonusCoregonus - Revision history2026-04-07T03:52:47ZRevision history for this page on the wikiMediaWiki 1.44.2https://wikimd.com/index.php?title=Coregonus&diff=5632837&oldid=prevPrab: CSV import2024-04-19T20:06:48Z<p>CSV import</p>
<p><b>New page</b></p><div>[[File:Cisco.jpg|Cisco|thumb]] [[File:Coregonushoyi.jpg|Coregonushoyi|thumb|left]] [[File:Coregonus_lavaretus_maraena_1.jpg|Coregonus lavaretus maraena 1|thumb|left]] [[File:Coregonus_nelsonii.jpg|Coregonus nelsonii|thumb]] [[File:Coregonus_pidschian_cropped.jpg|Coregonus pidschian cropped|thumb]] '''Coregonus''' is a [[genus]] of [[fish]] in the [[Salmonidae]] family, which also includes [[salmon]], [[trout]], and [[char]]. The Coregonus species are commonly known as whitefishes. They are native to cold, freshwater environments of the [[Northern Hemisphere]], including [[Europe]], [[Asia]], and [[North America]]. Coregonus species are important both ecologically and economically. They are targeted by commercial, subsistence, and recreational fisheries and are also used in [[aquaculture]].<br />
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== Description ==<br />
Coregonus species vary widely in size and form but generally have a laterally compressed body, a small head, a forked tail, and a mouth that is positioned terminally or subterminally, depending on the species. Their coloration can vary but is usually silvery with a darker back. The size of these fish can range from small, at just a few centimeters, to much larger specimens over 50 cm in length, depending on the species and the environment.<br />
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== Habitat and Distribution ==<br />
Coregonus species are found in freshwater lakes, rivers, and streams. They have a preference for cold, well-oxygenated waters. Some species are known to inhabit brackish waters as well. Their distribution spans across the Northern Hemisphere, with a significant presence in the Great Lakes of North America, the lakes of Northern Europe, and the Arctic and sub-Arctic regions of Russia.<br />
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== Diet ==<br />
The diet of Coregonus species primarily consists of [[zooplankton]], [[insects]], and small [[fish]]. Their feeding habits can vary significantly with the environment and the availability of food sources. Some species have specialized feeding adaptations, including unique gill raker structures that allow them to efficiently filter zooplankton from the water.<br />
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== Reproduction ==<br />
Reproduction in Coregonus species typically involves mass spawning events where females release eggs into the water column to be fertilized externally by males. Spawning usually occurs in late autumn or early winter, and the specific timing can vary by species and location. The eggs are deposited in a variety of substrates, ranging from open water to gravel beds in streams.<br />
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== Conservation ==<br />
Many Coregonus species are considered to be at risk due to a variety of factors, including overfishing, habitat loss, pollution, and climate change. Conservation efforts are in place in various regions to protect these species, including habitat restoration, fishing regulations, and the establishment of protected areas.<br />
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== Economic Importance ==<br />
Coregonus species are of significant economic importance in many regions. They are harvested commercially for their meat, which is considered to be of high quality. In addition, they are popular among recreational anglers. Some species are also raised in aquaculture for food production.<br />
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[[Category:Fish]]<br />
[[Category:Salmonidae]]<br />
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