An aquarium hobby can take up a lot of space, but small and nano aquariums offer options that can work for a small space. In this guide, we’ll show you exactly what you need to keep your fish healthy ...

Most small aquarium fish thrive in schools and need a minimum tank size of 10 to 30 gallons, depending on the species. Many species, like livebearers, can quickly multiply in an aquarium setting, ...

A tropical fish that lives in mangrove swamps across the Americas can survive out of water for months at a time, similar to how animals adapted to land millions of years ago, a new study shows. The ...

Scientists are seeing tropical fish in Nova Scotia with more frequency, with their arrival prompting concerns about what their presence could mean for local species down the road.

When something strange washes up on the Jersey Shore, beachgoers are bound to notice. The latest reports this July on our coast: a tiny orange fish usually found in tropical environments. Some have ...