Being a beginner in the tropical fish keeping hobby can over whelming. What size tank can I get? how many fish can I keep in that tank? what fish are compatible? Fish for thought, helps you make that decision and gives you some inspiration to what can go in your chosen tank. When you click on one of the buttons below, you will be shown the type of fish that can go in the tank, how many of them you can keep and also the other types of fish that can be kept together peacefully.