The Herpes Scare \u2013 What Is Koi Herpesvirus (KHV)?<\/strong><\/h2>\nJust when things couldn\u2019t get any weirder, scientists are sounding the alarm over something even more concerning: some of these goldfish might be carrying Koi Herpesvirus (KHV)<\/strong>. This highly contagious virus doesn\u2019t affect humans, but it\u2019s deadly to certain fish species, particularly koi and common carp. And although goldfish are generally resistant to the virus, they can act as silent carriers<\/strong>, harboring KHV without displaying any visible symptoms.<\/p>\nThat makes the threat even harder to detect and manage. If these infected goldfish come into contact with susceptible fish populations, the results could be catastrophic. KHV can cause up to 100% mortality in infected koi and carp populations, especially when water temperatures are between 16\u00b0C and 28\u00b0C. Symptoms include lethargy, gill necrosis, sunken eyes, skin lesions, and erratic swimming behavior before the fish ultimately dies.<\/p>\n
In Ontario, KHV presents a major risk not only to native fish species but also to aquaculture facilities and recreational fishing industries. Although there is currently limited data on how prevalent the virus is in the wild, its potential to spread through interconnected water systems is alarming. Scientists and fisheries officials are already working to monitor goldfish populations and test for viral presence, but if KHV establishes itself, it could permanently alter Ontario\u2019s aquatic biodiversity.<\/p>\n
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