Chris,

To be honest, I don't know. The only female I have ever bred was given to me as a long-term captive WC female. When I got her she was probably 20+ years old and weighed over 200 grams. During breeding years she has actually got over 300 grams, but she is a monster Charina (28" with part of the tail missing).

I think a 150g female would probably be big enough, but I really can't be sure. You might check rubberboas dot com and see what sort of data Ryan has.
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Chris Harrison
San Antonio, Texas