Or should say, brine shrimps don't survive long enough before being actually consumed. Most likely, it will be sucked into a protein skimmer, picked up by a mechanical filter, or simply starved to death before it lived out its usefulness.
BTW, shells of artemia could create blockage in fish's intestines, especially for the smaller fishes.
[ October 02, 2001: Message edited by: danmhippo ]