I am sorry to hear that. Something simmilar happened to me; my goldfish bred last year, and I just caught the tail end of it; they ate most of the eggs, and the filter got most of the rest. I only saved a dozen of the eggs, and only three babies are still alive now.
Don't give up. The thing we can learn from situations like this is, just how hard breeding animals really is. I am currently grinding my teeth wondering why my male rat does not want to breed with his females.. gr..