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The California newt or orange-bellied newt (Taricha torosa), is a species of newt endemic to California, in the Western United States. Its adult length can range from 5 to 8 in (13 to 20 cm). [ 2 ] Its skin produces the potent toxin tetrodotoxin .
An acrid smell radiates from the newt, which acts as a warning for animals to stay away. [6] Toxicity is generally experienced only if the newt is ingested, although some individuals have been reported to experience skin irritation after dermal contact, particularly if the eyes are touched after handling the animal without washing hands.
Their populations in northern Oregon are more toxic than those from California and Washington. Those on Vancouver Island, in British Columbia, possess little or no tetrodotoxin. [8] Taricha newts can be lethal to humans if ingested, and at least one human fatality occurred in Oregon from eating a rough-skinned newt.
The Pacific newts (Taricha), including the California newt, are known for their toxicity. Many newts produce toxins in their skin secretions as a defence mechanism against predators. Taricha newts of western North America are particularly toxic.
The Sierra newt (Taricha sierrae) is a newt found west of the Sierra Nevada, from Shasta county to Tulare County, in California, Western North America. Its adult length can range from 5 to 8 in (13 to 20 cm). [ 2 ]
A new law requiring many California bars and nightclubs to offer common date-rape drug test kits will take effect Tuesday, according to the California Department of Alcoholic Beverage Control ...
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U.S. Army Public Health Center Toxicology Lab technician assessing samples. Toxicology testing, also known as safety assessment, or toxicity testing, is the process of determining the degree to which a substance of interest negatively impacts the normal biological functions of an organism, given a certain exposure duration, route of exposure, and substance concentration.
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