I have a Brazilian Wandering Spider (Phoneutria fera) female I think. I don't know the age of this spider but I don't think it's full grown. Anyway when I first got it it was eating fine but for the last month or so everytime I feed it it will grab the cricket, hold it for awhile and then drop it, the cricket isn't even dead. I want to know what could be wrong and why it keeps doing this? Any help will be greatly appreciated.