If I remember the link, they inferred that koi were more inbred than most fish and hence had weak immune systems. I didn't keep a bookmark for that link. Without knowing tons about the history of koi, that made 'some' biological sense. But it sounds like I can put them in the old Dario dario tank downstairs where I'll be able to moniter them closely. And just relaaaxxxxxxx........ Betty Goetz > Betty > No, that's just "web talk." I imagine the person is theorizing that one > should not > expose baby fish to pathogens unnecessarily. An old tank with "stuff" > growing in it > sounds great to me. The average fish tank has enough small things (the > little worms and > cyclops, etc. that people are always complaining about) to feed a bunch of > baby koi in > their early days. They are actually great scavengers. > > Steev > > > --- Betty Goetz <haika@drizzle.com> wrote: > >> I'm excited! Now, I've been reading up on growing out koi fry and read >> something that concerned me. One website suggested that koi fry are very >> weak and have poor immune systems, so they need to be put in water that >> hasn't had other fish in it? Sounded wierd to me, but I'm no expert! IS >> this true? It'll affect where I put these fry...I've got some tanks with >> lots of infusoria that had fish in them about 2 months ago. Steev...is >> that safe? I don't want to kill these little guys as soon as I get them >> (blush). >> >> Betty Goetz _______________________________________________ GSAS-Member mailing list GSAS-Member@thekrib.com http://lists.thekrib.com/mailman/listinfo/gsas-member