When it comes to the single, solitary aquatic life, most people think of the goldfish in his little bowl. But there is another type of fish that lives in even closer digs, and is arguably better ...

If you've ever put a male betta fish, also known as a Siamese fighting fish, near the tank of another of its kind (or even worse, in the same tank), then you know that these aggressive beauties love ...

Betta fish are known for their stunning colors, elegant fins, and yes, their attitude. These feisty little swimmers are often misunderstood as being completely antisocial, doomed to a life of solitude ...

When two betta fish are fighting for dominance, not only do their attacks mirror each other, but the gene expression in their brain cells also starts to align. The new findings, published June 17th in ...