Cardinal tetras are famous for their glowing blue and bright red stripes that run across their bodies. People often mix them up with neon tetras, but cardinal tetras have a bright red line that goes ...

Setting up an aquarium is exciting until you realize that not all fish get along, and some need water conditions that clash with others. Now, choosing the wrong species can lead to stressed fish, ...

Want to start an aquarium but don’t want tricky fish to take care of? Small freshwater fish are perfect. They are colourful, ...