These are excellent starter fish. They get along with most all other tropical fish. They are active. They are fun to watch. Our Glolites are full of life and in great health and condition. They are between .5″-1″ long. They will do well in larger aquariums with many different types of tropical fish, or in a 10 gal. tank with a few other tropicals. They have been held and watched carefully for good health. They will eat prepared foods.