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 ...

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

A friend of mine decided to get a group of children in her care a fish tank and guppies as a “class pet.” The guppies were soon joined by baby guppies. The babies disappeared, one by one. Turns out, ...