This is a new pattern shape that you would get from breeding with a bearyena. The mutation would be unlocked the same way as all the other bearyena genes. This gene is recessive to all other pattern shapes.
It would give 1 distasteful apperance, due to looking like a predator.
I considered making it a pattern gene instead, but I could only think of three different styles, while there are four pattern shapes.
Mask:
I've always loved the facial pattern of bearyenas. So basicall