For aquarium enthusiasts looking to add a touch of the extraordinary to their tanks, there’s a world of unusual fish species that can make a home aquarium stand out. Beyond the usual goldfish and ...

Tetras are one of the most popular and diverse types of freshwater aquarium fish. With more than 150 unique types of tetra ...

Thanks to their unique look, glass catfish, especially Kryptopterus vitreolus, are a popular freshwater aquarium fish. They’re also relatively easy to look after, so long as you provide them ...

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.

Lifespan: With proper care and diet, Archer fish can live up to 5 to 8 years in aquariums, and in rare cases even longer. 7. Level of care: Archer fish are considered an intermediate level of care ...

In a river of western Brazil, an “armored” creature with bumpy lips swam through the “dark tea-colored” waters. Something ...

Anthony Burke’s Indiana record burbot gives a chance to dive into the broader meaning and general unusualness of one of the oddest freshwater fish.

Florida biologists recently caught an unusual longnose gar with a crooked spine. Experts believe that the fish may have suffered a spine injury at some point.