African lungfish can breed,will breed and spawn during the rainy season. The fish leave after laying eggs in the mud hole, and the eggs are guarded by the male fish to hatch.

The male fish in this period will grow many slender filamentous protrusions rich in microvessels on the pelvic fins, which can release the oxygen in the blood of the fish into the water through these filamentous protrusions, increase the oxygen content of the water in the cave, help Fish eggs and fry breathe.