no, you are right on that. but given that one supplies of all of our various species of fish down to the egg etc would be suppling so many other stores/ares in NZ it would be a much more wide spread problem. i had a tank of various ages. some over a year, others a few months old. disgustipated has had 5? maybe 6? now die of the similar thing, and there are how man others now with the same issue in on the shore/auckland? there must be some link between us all, that is higher up than the eggs of the fish dying