Mysis (specifically Mysis relicta) are actually a freshwater or brackish water creature. http://en.wikipedia.org/wiki/Mysis_relicta">Mysis relicta - Wikipedia, the free encyclopedia</a>
There are Mysid shrimp that occur in our reef tanks: [IMG]http://en.wikipedia.org/wiki/Mysida">Mysida - Wikipedia, the free encyclopedia</a>
You can buy live cultures. A quick search netted me several vendors online.
Jenn