Vibrant, sophisticated, and aggressively smart, bettas can recognize owners and are trainable. Just don’t keep two males in the same tank! These elegant swimmers are noticed for their regal fins and ...

Some aquarium buddies are much more interactive than you'd expect—they follow their owners around, beg for food, and even learn to recognize faces. This article dives into pet fish that actually know ...

Should he start a Discus Tank?

Add Yahoo as a preferred source to see more of our stories on Google. If you’ve ever wondered what true dedication looks like in the animal world, you don’t have to look further than the Discus fish.