100, I think! I am talking about our fish here. We have a fairly big fish tank and now it's full of guppies! lol...they are cute and I did not realized that they will multiply very rapidly. It's like every month we have new baby ones. I started with 2 females and 1 male. The two females got pregnant at the same time and have littles ones just after a month and they have about 20-30 new born little guppies each. I did not know that they will have live babies until one of the store keepers told me. It was amazing to see these fishes having babies. I was scooping them up as they came out. I was doing it for the first 3 times, but now, I just let them have the babies. I think the little ones instinctively hide from bigger fishes as soon as they come out