Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

Do you think that a saltwater tank is vital for keeping stunning, exotic fish? Reevaluate that idea. Freshwater aquariums are ...

The types of fish and other creatures you can keep in your aquarium will vary greatly depending on whether you choose ...

This story appears in the April 2017 issue of National Geographic magazine. Hundreds of millions of people worldwide would lack their prime source of protein without freshwater fish. Yet the lakes ...

yet they’re home to almost a quarter of all vertebrate species – including over half of all the world’s fish species. It’s an extraordinary fact: 51% of all known species of fish live in freshwater - ...

Water type: Archerfish are brackish water fish, meaning they need water that is a mix of freshwater and saltwater. 2. Tank size: They require a large tank, to thrive. 3. Water parameters ...