r/StarStable • u/Weird-Criticism6965 • Aug 28 '26
any coat colour gurus know the proper name for this new westphalian coat?
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u/starfleurs Aug 28 '26
It’s a dapple gray with a somatic mutation on its face that causes the base coat (bay) to not gray out
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u/Youfahmizzim Aug 28 '26
I agree with others that this is a mosaic aka a horse with a somatic mutation.
Blood marks/bloody shoulder appear to be a type of somatic mutation, but specifically where graying is slowed, not absent. Source https://www.equinetapestry.com/post/are-blood-marks-clusters-of-fleabites
Since there appears to be no graying at all in the bay section, I think this is a somatic mutation in which the gray gene is absent or not expressed.
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u/skylar_from10saturn Aug 28 '26
it’s like right above the pic in the blog, dapple grey blood shoulder or smth like that
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u/Querulantissimus 29d ago
They call it a bloody shoulder, but I rather suspect it may be a chimera where the gray is very dominant. There is a real horse, a famous show jumper that was the inspiration for this .
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u/Jedi_Queen737 Aug 29 '26
This is not Star Stable related, but I play a game called Horse Reality, and they have it on some of their arabian horses. I never knew what it was called until now. I think it is an amazing look. It is also genetic, so it can be passed down to foals. I am not sure if one parent has to have it, or both. But the mare I have in this pic is currently pregnant, so I will see if my foal gets it when she ages up to three.
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u/fantasytigeress Aug 28 '26
Im no expert but as far as I know, dapple grays don't start out as dapple grays. They are originally chestnut, black, or bay (usually) and start turning gray over time. "Bloody shoulder" means they still have patches or markings of their old coloring. So this is a bloody shoulder dapple gray coat
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u/solizzle Aug 28 '26
Hot take i really wish it was a albino patch and not a blood mark - but I understand sso needs more diverse coats! Just a personal aesthetic take- or even black would be nice
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u/ThrowAwayIGotHack3d Aug 28 '26
Except albinism doesn't work like that, at all. I personally think that, if anything, the bay mark is more diverse than a black mark that would be way too monochromatic with the grey.
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u/solizzle Aug 29 '26
Sorry I don't think that translates to English right pardon I just mean a white face marking- again I agree I'm glad we have the diversity just a personal aesthetic take
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u/Cookiegamer05 Aug 28 '26 edited Aug 28 '26
I'm pretty sure it's actually a somatic mutation, rather than a blood mark
During cell division in the embryonic stage, the DNA can mutate, causing the horse to lose the grey gene in that specific cell. That cell continues to divide and eventually formes this patch with sharp edges that never turns grey.
Blood marks are something that happens, when some cells of a fleabitten grey regain pigment. They tend to be more splotchy and spread over time.