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Posted by Dean Alessandrin on October 11, 2002 at 07:28:29:
In Reply to: Probably not.... posted by chrish on October 11, 2002 at 01:56:52:
If you don't mind my asking, what are your qualifications ?
I ask this b/c you sound like a professional. Are you working with TX indigos? I am very interested if you are collecting data on wild erebennus.
I found the point you made about evolution being counter selective to traits that are not adventageous rather than selective for advantageous traits very interesting.
Personally, my males have NEVER bit the females. This could have something to do with the large enclosures I have. The females have lots of room to get away, and the males give up if they resist persistently enough.
The only point I may debate a bit is about the sexual dimorphism.
There IS some data supporting the fact that male indigos (easterns at least) are territorial. Combat between males has been documented many times. This in mind...I think it would be reasonable to assume that the bigger males (in general) get to mate with more females (bigger territories, and the fact that they WIN if there is competition for a female).
The fact that adult males tend to be much larger on average than adult females would also seem to indicate that natural selection is producing bigger, stronger males.
