Keeping aquarium fish is very popular. As a responsible pet owner, it is very important to remember that if you decide you no longer want or can keep your pet fish, to never release your unwanted fish into the environment, even if your pet fish is an Australian native species. Releasing your aquarium fish into a local waterway, creek or dam usually condemns them to a nasty death due to predators, or even starvation as your fish is not used to fen