The male Giant Gourami spawn in their mouth until they find a shelter for their watery home.
Darwin’s Frog the unfertilised eggs in their vocals and release the froglets after being developed.
Jawfish keep their eggs in their mouths until they are turned into small fishes.
The Male Seahorse use pouches for birth but some species give premature birth from their mouth.
Mouth brooding keep their eggs in their mouth to protect them from the other killing species.
Mouthbrooders also hatch their fish eggs from the mouth after their maturity.
Sea Catfish carry their fertilised eggs in the mouth until they hatch which can be found in deepsea.