I have seen cold water animals from time to time in the order sheets that I get from my suppliers around the US. If you have a good relationship with your LFS then maybe they can find you some creatures. Most of the inhabitants are going to inverts and macro.
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When you think you know everything they give you a Bachelor's,
When you realize that you know nothing they give you a Master's,
When you realize you know nothing but it is ok because they don't ether then you get a Doctoral. | 
