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the blue fish is surrounded by small red circles on the bottom of its body and it's head
Why Do Bettas Build Their Nests Out of Bubbles? - Veterinarians & Emergency Vets for dogs and cats
Have you ever noticed that the water in a betta tank often has a layer of bubbles floating on the surface of the water? A bubble nest is the common name for the collection of bubbles! The process of reproduction for betta fish includes the production of these vast quantities of bubbles.