What is a betta fish? Betta fish—also known as Siamese ... or brown. Before mating, the male spends hours blowing bubbles at the water’s surface to build what’s called a mucus bubble nest.

If you are considering owning more than one betta fish, it's extremely important to be aware of their gender. While male betta fish may be able to live with other kinds of fish, male betta fish ...

The study, which saw 13 male Betta fish placed in five different habitats for 31 days, found that fish in the large tanks were more active and spent less time resting and displaying abnormal ...