I took a quick look at your website. One thing that I want to mention is your 'about us' page. After reading through it the page makes it sound like you deal with selling rats rather than snakes. I'm not sure if that was what you were planning but you seem to focus to much on the rats.
An 'about us' page should have an overview of everything you do and not just focus on one particular aspect of your business.
I hope you follow what I am trying to say and I hope this is what you mean by constructive.