Siamese fighting fish (betta fish) create🐠 bubble nests as part of their mating behavior, a process that can take several hours. The bubble nest serves several crucial functions: it protects the eggs from predators and environmental changes, keeping them safe, and helps oxygenate the eggs, providing the essential air they need to develop. The nest also maintains buoyancy, keeping the eggs floating at the water's surface, ensuring they receive the right amount of oxygen and warmth crucial for ha

32M views · 12K reactions | The Siamese fighting fish builds a nest for his partner... using bubbles.  | BBC Two | Facebook