1. It is important to pay attention to the limitations of the fish you place in the aquarium. Do not place fish into aquariums smaller than there recommended range, this can lead to increased aggression and decreased health.
2. Clownfish are all born as males, but when the age and get older they have the amazing ability to switch sexes .
3. You should never add uncured live rock to the aquarium. Doing so can release harmful levels of ammonia into your aquarium.