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 ...

Guppies are beginner-friendly, low-maintenance fish that thrive in a 10-gallon tank, with a peaceful temperament and omnivorous diet. Males are smaller with vibrant colors, while females are larger ...

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

If you’re thinking of setting up an aquarium in your home, you may be wondering what kind of fish you’d like to have in your tank. Freshwater fish are a popular option since it can be easier for ...

If you’re curious about keeping fish and considering buying a 20-gallon aquarium, you’ve come to the right place. It’s hard ...

Meet Poecilia vivipara—a small, shiny yellow guppy found in South America. When a group of scientists visited the Fernando de Noronha archipelago a decade ago, they found the tiny freshwater fish.