How Many Killifish Should Be Kept Together?

Keeping Killies Together Killifish thrive when they are kept together. You should keep at least 3 of them together (1 male and 2 females) In larger tanks (30+ gallon tanks ) you can keep up to 12 individuals and they will school together. Are killifish hard to keep? Keeping killifish ranges from easy to difficult, … Read more