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04-27-11, 05:23 PM
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#1
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Member
Join Date: Dec-2010
Location: Los Angeles
Posts: 2,787
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Metachrosis (aka “Whitewall”) Pictures
One of the interesting quirks of Brazilians as a subspecies is their tendency to “lose” the color on their sides late in the day, an effect many keepers refer to as “whitewalling.” Under this effect, the color of the sides fades to an almost ghostly white.
Following are two recent, and rather dramatic, examples of this behavior. For each, I show the snake as it usually looks during the day, and then a late-day shot with whitewalls.
Drake, Day
Drake, Night
Ghandi, Day
Ghandi, Night
As with so many things about these snakes, fascinating stuff!
Thank you looking,
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Cliff Earle
Living Gems Reptiles
Premium Brazilian Rainbow Boas from a disease-tested facility
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04-27-11, 05:26 PM
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#2
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Member
Join Date: Nov-2010
Location: Sonoma, CA
Age: 35
Posts: 2,242
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Re: Metachrosis (aka “Whitewall”) Pictures
i really like how the red fades to white half way down their sides. their colors are awesome.
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-Zak
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04-27-11, 05:49 PM
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#3
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Non Carborundum Illegitimi
Join Date: Mar-2010
Location: Keynsham
Age: 49
Posts: 9,556
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Re: Metachrosis (aka “Whitewall”) Pictures
That is amazing!!! Makes me want one even more tho!
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May you have more good days than bad 
You never know how strong you are - until being strong is your only choice
There are no dark clouds - just well hidden silver linings!!
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04-27-11, 06:36 PM
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#4
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Retic Fanatic
Join Date: Mar-2011
Age: 35
Posts: 7,119
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Re: Metachrosis (aka “Whitewall”) Pictures
Thats amazing, is it lighting or do the pigments themselves change?
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04-27-11, 10:39 PM
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#5
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Former Member
Join Date: Apr-2011
Location: phx
Posts: 584
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Re: Metachrosis (aka “Whitewall”) Pictures
Quote:
Originally Posted by stephanbakir
Thats amazing, is it lighting or do the pigments themselves change?
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it's not the lighting, it's he scale pigments.
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04-27-11, 11:32 PM
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#6
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Retic Fanatic
Join Date: Mar-2011
Age: 35
Posts: 7,119
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Re: Metachrosis (aka “Whitewall”) Pictures
Thats crazy awesome
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04-28-11, 02:33 PM
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#7
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Member
Join Date: Dec-2010
Location: Los Angeles
Posts: 2,787
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Re: Metachrosis (aka “Whitewall”) Pictures
It is indeed a cool feature of this species, and (as sickvenom noted) caused by scale pigments rather than lighting.
Thanks for all the interest!
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Cliff Earle
Living Gems Reptiles
Premium Brazilian Rainbow Boas from a disease-tested facility
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04-28-11, 03:20 PM
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#8
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Captain America
Join Date: Dec-2009
Location: Farmington IL.
Age: 55
Posts: 10,602
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Re: Metachrosis (aka “Whitewall”) Pictures
Cool i never notice it before. Now i'll have to check mine out before i go to bed tonight.
__________________
Boas: 1.0 Pastel, 2.2 Brazilian Rainbows Pythons: 0.1 Lesser Royal, The Carpets 2.0 Jungle, 1.0 Jungle x Jag, 0.1 Tiger Jag, 0.1 Coastal Cheers Chuck
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04-28-11, 04:02 PM
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#9
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Member
Join Date: Nov-2008
Location: GTA
Posts: 1,061
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Re: Metachrosis (aka “Whitewall”) Pictures
oh wow, that's awesome! Why does that happen? Does it have something to do with how they live in the wild?
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04-28-11, 06:51 PM
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#10
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Member
Join Date: Dec-2010
Location: Los Angeles
Posts: 2,787
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Re: Metachrosis (aka “Whitewall”) Pictures
My best guess is thermoregulation. Dark during the day to absorb heat, light during the night to keep it.
__________________
Cliff Earle
Living Gems Reptiles
Premium Brazilian Rainbow Boas from a disease-tested facility
Website, Facebook
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04-28-11, 06:54 PM
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#11
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Member
Join Date: Nov-2008
Location: GTA
Posts: 1,061
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Re: Metachrosis (aka “Whitewall”) Pictures
wow, that's very interesting! is it only BRB's that do that?
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04-28-11, 09:19 PM
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#12
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Former Member
Join Date: Apr-2011
Location: phx
Posts: 584
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Re: Metachrosis (aka “Whitewall”) Pictures
Quote:
Originally Posted by Snakesitter
My best guess is thermoregulation. Dark during the day to absorb heat, light during the night to keep it.
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that's the theory, but i don't believe it's ever been proven.
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04-28-11, 09:26 PM
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#13
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Retic Fanatic
Join Date: Mar-2011
Age: 35
Posts: 7,119
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Re: Metachrosis (aka “Whitewall”) Pictures
Either way its cool as hell
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04-28-11, 09:30 PM
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#14
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Former Member
Join Date: Apr-2011
Location: phx
Posts: 584
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Re: Metachrosis (aka “Whitewall”) Pictures
Quote:
Originally Posted by Wolfus_305
wow, that's very interesting! is it only BRB's that do that?
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as far as i know - yes. but there are other species that can change other colors. there's actually a 'chameleon' snake from borneo.
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04-29-11, 09:18 AM
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#15
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slainte mhath
Join Date: Nov-2009
Location: kelty,fife
Age: 58
Posts: 8,509
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Re: Metachrosis (aka “Whitewall”) Pictures
my irian jaya's do the same mate my friends bredl seem to change colour at night as well
with the irian's their silver grey day colours on their pattern turns to a beautifull light lavender at night their yellow also lightens up a lot
the Oenpelli python of australia is a chocolate brown at night it turns to a light grey colouration
i would love to work with these rare pythons
cheers shaun
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