We can pinpoint the genes that make the fish royal blue versus steel blue ... Fifty years later, those female-turned-male betta fish still remain a scientific mystery.

Betta fish come in many colors including steel blue, royal blue, and turquoise blue ... so it’s best to keep at least two females for every male guppy in your tank. We recommend a tank size ...

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.

Scientists found that the fish were gradually domesticated ... able to create dozens of different varieties of betta. There are red, yellow and blue bettas, bettas with big fins and small fins ...

In Thailand, people call betta fish "pla kat," which means "fighting fish," and it couldn't be a more appropriate name. Male bettas are known fighters, aggressively flaring their gill covers and ...

Pictures of the fish, with its blue, red and white horizontal stripes mimicking the Thai flag, went viral after its breeder Kachen Worachai posted them on a private Betta fish auction group on ...

This dark green male was a challenge to photograph ... In this shot, a red betta appears to become a bird of paradise. Siamese fighting fish evolved to tolerate stagnant or slow-moving water ...

I think a lot of people think fish are not sentient and do not feel emotions.” The study, which saw 13 male Betta fish placed in five different habitats for 31 days, found that fish in the large ...