One large anemone will host an adult pair and one or more non-breeding fish of the same species.
References Animal-World References:
It does not have to be high tech.
Typically tank bred specimens are easy to care for and are pretty disease-resistant.
They also like taller tanks to wider or longer tanks.
Those are some good points.
If you are setting up your first marine tank, something larger, like a 55 or 75 gallon tank would be a lot better.
At this time she will lay her eggs, closely followed by the male who promptly fertilizes them.
In the aquarium they will eat a wide variety of live, frozen and flake foods.
Alveopora corals are very peaceful and should be out of the reach of all other corals, as they will lose any war waged in closed systems.
For more about breeding clownfish, see Breeding Clown fish: