With their long delicate fins, betta fish need a tank with low water flow and lots of places to hang out and nap. A 5-gallon tank is ideal for most betta fish, and they should never share their ...

Bettas are one of the most popular fish species. Most people consider them relatively active, but this isn’t always true.

In pet stores, the popular fish are often kept in small tanks or plastic bags, giving them insufficient space. Read more at straitstimes.com.

A new study published in Animal Welfare examined how tank size and furnishings impact the behaviour of Siamese fighting fish (Betta splendens), one of the world's most popular aquarium fish.