I know exactly how you feel. I hope this guy knows what he is doing. Shipping these types of item requires advanced knowledge of the creatures needs and living conditions.
eBay is usually pretty good with keeping control of what people list. Generally, when they find a violating item, they remove it.
I think there is a function available to report offending items.
I'll look into it further.
"Life is not like a box of chocolates... it's more like a jar of jalapenos. What you do today... might burn your a$$ tomorrow."