DaveB :

It may well work. Eggs can be effected by light, temp, taking out of water, air or who knows what. This is my point if you move 20 pairs of TShad and put them behind a net or in a cage they can spawn at high rate (appx. at least 5000 per pair per spawn) that is 100000 eggs. That sounds easier than moving 100000 eggs. and they can keep on spawning. If you protect them for a few weeks then release the yoy you may be able to build up a viable population. With an established LMB population I don't know if the stocked adults will last long enough to produce enough offspring to start a viable ongoing population. They may need some help and protection to get there.