Biotope
Biotope Aquarium 101: An Australian billabong biotope for Rainbowfish, BlueEyes & Gudgeon
This biotope aquarium simulates the transitional zone between the edge and the deeper parts of a permanent billabong near Nimrod creek in the Wenlock river basin. A billabong is more commonly known as an oxbow lake and is formed when the path of a creek or river changes, leaving the