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E. climacaphora Comparison

Beaker30 Mar 26, 2008 12:43 PM

I currently have 5 of this wonderful Asian ratsnake species. Japanese Ratsnakes (Elaphe climacaphora) have some subtle differences across their range. I have 1 mainland female, a pair of true Kunashir Island, and a pair of albinos (sherobi). I find them to be docile, inquisitive and beautiful. Being a northern species, they prefer temps a little lower, and longer, cooler brumation periods.

My mainland female is my favorite snake in my collection. She is always out cruising her enclosure, climbing, exploring, and watchin every movement in her surroundings. When I open her cage, she doesn't head for cover, she comes right to me and climbs onto my arm. She will perch there contentedly for as long as I will allow. I usually do snake room chores with her wrapped around my wrist and forearm. She also makes frequent trips into my classroom (high school science). The kids love her, and she shows infinite patience with the rougher than average handling they tend to dole out. She has never once showed any sign of aggression to them.

For some that wonder what the difference is between a mainland climac, and a true Kunishir Island climac, I decided to take some comparison shots. The mainlanders tend to be a duller, more olive green, while the Kunishirs tend to be brighter green with better contrast. Here is a comparison shot. My mainland female is the darker animal facing west, and the true Kunishir female is facing east:

You can easily see the color difference. Here is a closer shot with the mainland on the left, and the Kunishir on the right:

The darker color of the mainland female is even more apparent in the side by side comparison. I would've tried for some pics of the albinos too, but they had just eaten, so I didn't disturb them.

I love the species. Hope you enjoyed the comparison.
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God Bless Evolution.

Replies (3)

DraigGochHerp Mar 26, 2008 03:55 PM

Very nice snakes and the help in identifying the locales. I have an adult male Kunashir and a young female (unknown locale). Here's the male :
i7.photobucket.com/albums/y278/DraigGochHerp/DSCF0007-1.jpg
and the female :
i7.photobucket.com/albums/y278/DraigGochHerp/DSCF0074.jpg
Hope to see your albinos soon.
Graham.
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30 Snakes :
Corns, Milks, Kings, American Rats, Asian Rats, Leopard Rat, Texas Long Nosed, Royal, Boa
www.ratsnakefoundation.org

Ophidiophile Mar 27, 2008 11:46 AM

Nice pics. Climacs are absolutely one of my favorite rat snakes! From my experience of working with true Kunashiris (exports from Kunashiri Island) and mainlands, I think the truth is that there is tremendous overlap. You are correct that on average, mainlands tend to be darker olive, but I have seen drab Kunasirs and turquoise mainlands. It also used to be said that Kunashiris were a dwarf form but one of my original exports got to be well over 5 feet. The one difference I have seen with the different forms is that Kunashiris tend to be boom-bust feeders, feeding voraciously for several months of the year and then going on a protracted fast for the rest. All the mainlands I've worked with have tended to be consistent, reliable feeders when out of brumation. It wouldn't surprise me if there was cross-locale variation in this trait as well, but this is my experience in working with climacs for 15 years. Of course, there has also been a lot of mixing between the locales in the captive population so these differences may lessen as time goes on.
Just some observations - again great photos of great snakes!
Ophidiophile Farms
Ophidiophile Farms

Shane_OK Apr 01, 2008 01:43 AM

They are neat snakes. Some of the Kunasirs are quite stunning. They aren't necessarily a northern species. Latitude-wise, they range from approximately 31N thru 44.5N. That's about 900 miles north to south. Corresponding latitudes in the states would be, roughly, Jacksonville, Florida, and Portland, Maine!

Here are a few from northern Kyushu (~33.5N). This snake was the least drab that I have seen (and the available light was poor):

More typical coloration:

Shane
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