1. When you are picking out fish for your aquarium, you should always pick the best specimens available to put in your aquarium.
2. It is generally a good practice to purchase the largest aquarium that you can actually afford. A larger aquarium will be less susceptible to quick changes in the chemistry, and will offer much more stability.
3. Clownfish are all born as males, but when the age and get older they have the amazing ability to switch sexes .