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Wild Atlantic salmon do exist, and they used to be abundant in the Northeastern coastal rivers of the U.S. But due to habitat destruction and overfishing, they are now considered an endangered ...
Fans of salmon know just how versatile the fish is. Whether you enjoy it best smoked and on a bagel, or broiled with some light seasoning, salmon can spruce up a variety of dishes. In recent years ...
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Disease/parasites: Viruses and parasites can transfer between farmed and wild fish, as well as among farms. [90] [91] Escapes: Escaped farmed salmon can compete with wild fish and interbreed with local wild stocks of the same population, altering the overall pool of genetic diversity. [92]
Escaped fish increase the competition between organisms for limited resources. Also, when foreign fish interbreed with wild species, they upset the genetic variability of the species, making them more prone to disease and infection. The high density of fish in these mesh tanks is very tempting for predators of the sea and air (19).
Overfishing and poaching have reduced wild populations to the extent that farmed abalone now supplies most abalone meat. Sustainably farmed molluscs can be certified by Seafood Watch and other organizations, including the World Wildlife Fund (WWF). WWF initiated the "Aquaculture Dialogues" in 2004 to develop measurable and performance-based ...
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An example of this is the parasitic sea lice on wild and farmed Atlantic salmon in Canada. [47] Also, non-indigenous species which are farmed may have resistance to, or carry, particular diseases (which they picked up in their native habitats) which could be spread through wild populations if they escape into those wild populations.