1. Clownfish are all born as males, but when the age and get older they have the amazing ability to switch sexes .
2. Avoid placing your aquarium near a radiator or any other form of heater. The heat given off by these devices can easily upset the temperature balance in your aquarium. Raised temperature levels can kill off the fish and plants that you have in your aquarium.
3. Wrasses are very lively fish, and love to jump. You should always have a well secured lid when keeping wrasses in your aquarium.