This fascinating color palette also belongs to some incredible species, as you’ll see here on our list of the top 12 blue fish! Betta fish are ... with orange and white markings, and red eyes.

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.

The massive caudal fin of the male Bettas makes for this beautiful fish ... with dark blue or red scales mixed with a mostly ...