Patternless Yellow Anaconda Gene

This template contains both “gene addition” and “gene review” forms, please delete the one which is not applicable to your request

Gene Request Form

Please fill the below form out to the best of your ability. Answers do not need to be lengthy. If appropriate you may forward this request to someone who is more able to supply the answers.


Yellow Anaconda - Eunectes notaeus
Name of Gene:
First produced by whom:
Ben Renick (produced the first documented USCB Patternless Yellow Anacondas with a pair of Patternless that were supposedly born at a zoo in Germany, no further info known)
Year First Produced:
Genetics Type (Incdom/Codom/Recessive/Polygenic/etc):
In complex with other genes?:
Other names/aliases for it?:
Drastic change in pattern and coloration, not fully ‘patternless’ as the name implies.

Appearance; What it does/looks like?
Patternless can be identified by their light to dark green base color with pale black spots along the back. The black spots can look a bit pixelated as though they are fading away but remain prominent through adulthood. Babies tend to look more yellow/green and develop a more green color as they grow.

Proven Lines: Renick Reptiles, Fisher Reptiles
Related Genes: N/A

Proven: To what degree it is proven out to not just be polygenic?
Proven to be genetic by multiple Patternless x Patternless and Patternless x Het Patternless breedings.

Unique: This gene has been around for over a decade but has just not been added to MorphMarket ’s database yet.

Problems: None known
History: Discovered from a breeding at a zoo in Germany to the best of my knowledge.
Disagreement or Controversy: N/A
References here on the community: N/A

  • At least one link to community discussion (ie forums) to demonstrate community acceptance
  • Link to WOBP if one exists.
  • Links to the wider web.
    Please attach at least 3 photos you have rights to which you are granting to be used on MorphMarket .


Just a note on this one. At the minute Anacondas are a subcategory and dont have a trait list of their own to add this to… but lets get that list on the roll!