The Goa'uld really gross me out. I'm not sure what their life-cycle is. Perhaps the big black snake that Hathor is holding in one of the episodes of SG-1 is an adult Goa'uld...but I'm not sure.
http://www.youtube.com/watch?v=b365_qJEpDg I tend to think they are symbolic of Interdimensional Reptilians who perfectly possess the Gods, Goddesses, Illuminati, Aristocracy, et al. Supposedly Reptilians can latch onto Humans via their Lower Chakras. I may have an 800 Pound Reptilian on my back!!! I once received an internet message saying 'We're in your back!' Was this posted by a Reptilian Whistleblower? A member of the Fifth Column? John May Lives!!!
Namaste