Interesting. Though I've found these links:
http://www.petshrimp.com/discussions...php?f=2&t=3220
http://www.petshrimp.com/discussions...php?f=2&t=3487
http://www.petshrimp.com/discussions...php?f=2&t=2958
http://www.petshrimp.com/discussions...php?f=2&t=3318
There's a theory that they need daily temperature variations and salinity variations to induce breeding. I guess Ill wait a few more months and see if they start producing eggs.