How to identify MALE and FEMALE betta Fish " Female betta fish make bubble nests"

When the female betta fish is full of eggs in her stomach, she will usually release the eggs even without the male. Sometimes the eggs are eaten by her, and sometimes she also builds a bubble nest and lays eggs as the male betta does.
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Видео How to identify MALE and FEMALE betta Fish " Female betta fish make bubble nests" канала Bije Aquatics