However, instead of using a mucus-like substance hung on plants above water, betta fish will blow bubble nests that gather on the surface of the water. Other types of fish nests include mound ...

Once laid, the eggs incubate in the bubble nest for 24 to 72 hours (around three days). During this time egg cells divide ...

Before mating, the male spends hours blowing bubbles 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 and ...