Red Fish Blue Fish, a specialized online fish retailer based in Washington State, has expanded its inventory to include tropical freshwater fish species. The company, which is focused on rare and ...

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Hidden beneath the surface of the world’s rivers, some of Earth’s great animal movements unfold – migrations that rival, in ...

The swordtail is a beginner-friendly tropical fish species. This hardy fish comes in various vibrant colors and can be kept in a freshwater tank as small as 10 gallons. These traits make swordtails ...

Betta, or Siamese fighting, fish are among "the most popular freshwater aquarium fish in the world," PetMD reports. Native to southeast Asia, this species is known for its range of vibrant hues. There ...

Some pet fish live surprisingly long lives. It is estimated that around 10 per cent of British households own pet fish – making them the third most popular animal to welcome into our homes after cats ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. With some populations aged in their 70s on average and new ...

Contrary to popular belief, many aquarium fish can live for decades with proper care, becoming long-term companions. Species ...

If you liked this story, share it with other people. The new fish species come from five continents and a diversity of habitats, including limestone caves, peat swamps, wetlands and rivers. Most are ...

Adding colorful tropical fish to your aquarium is a no-brainer if you love being mesmerized by beautiful colors and patterns. Many people, when they hear the word ‘fish’ think of dull grey fish or the ...