I bought a young flowerhorn last Friday, since I saw that the tank of the shop has many flowerhorn tankmates in it, I decided to buy one again. Then, I saw that they didn't use air pump in the other tanks. I also asked ifI could put them together he said yes but when I put the new one it seems like the old one is fighting with the new one.
Questions:
1. Do they need an air pump? why or why not?
2. Do flowerhorns can live together in one tank?
3. How many months, weeks, or years do I need to wait, for them to grow?
4. Do I need to put an aquarium heater even it's tropical here in Philippines?
5. How will I know if a flowerhorn is male or female?

6. Since this is my first time in taking care for them, give some tips on how to take care on them?
7. What are some good tankmates for them?
Thanks....=) God Bless....=)