What is a betta fish? Betta fish—also known as Siamese ... at the water’s surface to build what’s called a mucus bubble nest. He then puts on a display to attract a female, becoming brighter ...
Once laid, the eggs incubate in the bubble nest for 24 to 72 hours (around three days). During this time egg cells divide several times as the baby fish begin to form. When baby betta larvae hatch ...