While some fish species are territorial and should be kept alone, some others feel stressed and insecure when kept alone.

That said, there are beginner-friendly fish out there that ... Guppies are fairly social fish and can get along with other freshwater aquarium fish of a similar size. That said, experts advise ...

No, you can't cuddle them, but these fish sure are adorable. Here's what to know before adding them to your tank.

The giant freshwater stingray may be the ... The rays have also been targeted for the burgeoning aquarium trade, though it is now illegal to fish for stingrays in Thailand.