Fish are aquatic vertebrates that are covered with scales and breathe through gills without needing to leave the water. Fish can be found in saltwater, freshwater, warm waters or cold waters. In this section, you’ll learn all about aquarium and wild fish.

The fauna of the Great Barrier Reef

The Great Barrier Reef is the largest underwater habitat on earth. It’s so big that astronauts claim they have no problem seeing it from outer space. It’s so amazing that hundreds of animal species inhabit this amazing ecosystem. Continue reading…