Hello, I have been doing a lot of reading about genetics but still have some questions. I have a female spider fire ball python. I picked her up at a show recently. Her mom was a bel and father was a butter fire. Out of the 6 eggs she was the only spider.
I know the bel morph there are other morphs that will cause the blue eyed lusistics but wouldnt dad have to have a het gene as well that would cause the spider to come out. I do plan on getting her shed tested to see just what else she might carry.
Spider is incomplete dominant. Either the BEL had the Spider gene and they didn’t know, or they’re wrong about the pairing. For that snake to be Spider, one parent had Spider.
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Are you sure it’s a blue eye Lucy parent and not black eye Lucy? Super fire is Blk eye Lucy. If a parent was a blue eye Lucy, your missing a gene if yours is a fire spider.
Blue Eye or Blk eye can easily hide spider. As @ballornothing said, either the BEL had it or the pairing isn’t right
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The breeder did a video when he cut the eggs and he showed both parents. In the video you cant tell the eye color real well.
Hi and welcome to the community 
Lo0ks like it is what you say it is.
agree with the above, a BEl can hide other morphs.
Another possibility is retained sperm from a previous mating that contained spider.
That’s a lesser fire spider it’s just mis identified.
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Thank you. Knew there had to be something else in there just not sure what.
Honestly I just thought lesser spider. Unless the lighting is just making it look that dark…
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She was going into shed in this picture. She is actually a lot brighter
I think fire too, I made several lesser bees 6-7 years ago and they had a different color tone and most of them had more consistent linear dorsal patterns.
But lesser is so variable who knows.
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