I had killifish about 2 years ago and I love the amazing colours on them 1 pair died the day after I got them and the other pair died after a week. I was wondering what water conditions do killies need and also what tank mates can they have. Also size tank do they need and do these eggs that you can buy online and hatch out work or not. I really like these fish as they are so beautiful and if my conditions are right and I can fit them in then I want to try again. Thanks for all your help from Tom