are asian carp an invasive species?
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North America. Because of their prominence, and because they were imported to the United States much later than other carp native to Asia, the term "Asian carp" is often used with the intended meaning of only grass, black, silver, and bighead carp. In the U.S., Asian carp are considered to be invasive species.
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“Asian carp” is a general term used for four species of carp—bighead, silver, black, and grass—that originated in Asia and were imported to the southern United States in the 1970s to support aquaculture. ... There is concern that if bighead and silver carp enter the Great Lakes, they may cause significant ecosystem damage.
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Carp are from the family Cyprinidae, and are originally native to Europe and Asia. Carp have been introduced all over the World and were first introduced into South Africa in 1859, as a fodder fish and an angling fish to keep the settlers entertained, and to make them feel more at home.
652014
Asian carp feed low on the food web, are fast growing, are low in fat in the filets, and are not usually bottom feeders — all properties of fish that are lower in contaminants. Like any fish taken from inland waters, however, be aware of restrictions on consuming fish from any particular waterway.
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Invasive Asian carp have regrettably populated much of the lower Missouri River over the last decade. These fish were brought to North America for use in fish farms and soon escaped from the aquaculture facilities. The carp have since found America's big rivers to be ideal habitat.
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Everyone in Australia is in agreement that the cane toads have got to go. The problem is getting rid of them. Cane toads, properly known as bufo marinus, are the most notorious of what are called invasive species in Australia and beyond. ... Before 1935, Australia did not have any toad species of its own.
651911
The Asian carp have been found in Lake Calumet in Illinois. Grass carp have been captured in every Great Lake except Lake Superior, but so far, no evidence indicates a reproducing population.. No silver carp or black carp have yet been found in any Great Lake. Common carp are abundant throughout the Great Lakes.
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Use of invasive plants can have unintended effects, especially if non native species. As in this short link, there are two plants called water chestnut. Both have edible portions.
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The sterile Carp were introduced into lakes and rivers all over Florida. ... Since the Carp were intentionally released by the state as a biological control on invasive plants, it is illegal to catch or harm them.
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Asian carp cause serious damage to the native fish populations in the lakes and rivers that they infest because they out-compete other fish (video, 1 min) for food and space. Carp are also thought to lower water quality, which can kill off sensitive organisms like native freshwater mussels.
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Grass, silver, bighead, and black carp are known as the "Four Domesticated Fish" in China and are the most important freshwater fish species for food and traditional Chinese medicine. ... Common carp are native to both Eastern Europe and Western Asia, so they are sometimes called a "Eurasian" carp.
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While state and federal agencies are trying to stop Asian carp from entering the Great Lakes, there's evidence that one type is already reproducing in Lake Erie. If they become established, there's concern that the invasive fish could spread to other lakes — including Lake Michigan.
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“These fish are really good for you and your pets but horrible for the environment,” Honeycutt said. ... Since most Asian carp species eat plankton, they devour the base of the aquatic food web and directly compete for food with native fish, such as shad and paddlefish.
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Zebra mussels aren't front page news anymore. Asian carp and toxic algae blooms now claim those pages. But, even if they are out of sight and out of mind — they're still doing their damage on the bottom of the lake, just like they have since their invasion.
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Bamboo can be an invasive threat to biodiversity. Many spreading bamboo species are categorized as invasive exotic plants that crowd out native plants and threaten biodiversity. The best ways to contain spreading bamboo tend to be expensive and complicated, and may not be worth pursuing for many homeowners.
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European green crab. The European green crab is considered an aggressively invasive alien species in most of the regions it inhabits. It has spread across the globe by hitching rides on the hulls of ships and is now found on every continent except for Antarctica.
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Asian carp (bighead, black, grass, and silver carp) were imported to the United States in the 1970s as a method to control nuisance algal blooms in wastewater treatment plants and aquaculture ponds as well as for human food.