Guppies are among the easiest freshwater fish to keep in an aquarium. You should get at least three and keep them in a tank that holds at least 1 gallon of water for every guppy.

Here are our favorite types of freshwater fish you can keep as a pet. ... Stay cool with these 10 things; ... the peacock gudgeon is a tropical freshwater fish that can be found in rivers and ponds.

An aquarium water heater is an essential item for many fishkeepers, especially if you live in a cool or temperate climate far ...

White skirt tetras, like most tropical fish, thrive in warmer water temperatures. Aim for around 75°F to 80°F. ... If you’ve kept freshwater fish as a hobby for a while, ...