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Variants of taricha granulosa

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joemomma1016

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I recently became a new owner of 4 taricha granulosa juveniles. A favorite newt of mine and a friend, (Seth), he brought up the individuals I got may have been from an Idaho population. Can anyone tell a difference in locality of these newts? Different physical features or how they act? Just curious and was interested to see what people thought. Thanks.:D
 
Otterwoman

Otterwoman

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Sometimes the only way to tell them apart is know the location first. I'm sure that there would be some differences depending on the local conditions, but I don't think anyone could really tell you.
 
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FrogEyes

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Animals from the Palouse are derived from coastal OR or WA. It's not clear if they are introduced, but they likely don't differ noticeably. It's not likely that these captive animals came from ID unless someone specifically went to one of the very few known sites to get them.
 
Sith the turtle

Sith the turtle

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Only thing I can think of is that there is a non-toxic (Or abnormally less toxic) population of newts somewhere, I think in Oregon. Other than that there isn't much that makes the newts different, not much variation to my knowledge
 
sde

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Just now seeing this Joe, sorry for a late response!

These newts are in fact from Idaho, i have talked with the seller who is conducting research on Idaho populations of these newts with his University. These animals were collected as eggs.

As for variation, there is a bit. Mountain populations don't uncommonly exhibit ventral dark patches, or so I've heard, and abberant individuals have also been found. Some localities also have dorsal dark patches, though i am not sure how common that is. Head shape, size, and toxicity all vary depending on location. I read (though i can remember where) that southern populations are usually larger than northern. Also, northern Oregon populations are apparently the most toxic.

Really excited to see how these do for you Joe!
 
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