u/Formal_Dare9668

I recently took in a Kenyan sand boa from my friend who can’t keep him for the mean time. It was sudden and unexpected and I honestly don’t know anything about these snakes. It’s looking like I might have him for a while so I’m wondering how to gauge prey size? I have a scale I use for my ball python but this dudes a much smaller snake. Is it just a percentage of weight? He’s an adult