MR. SMEDLEY'S note on viviparity in the sea-snake (Laticauda colubrina) in NATURE of Aug. 30, p. 312, needs some comment. My statement (which he quotes) that all sea-snakes are viviparous was not ...

Although these animals produce eggs, they don't lay them. Instead, the young hatch while still in the female's body and are born as miniature adults. This is known as ovoviviparity. In 1996, a paper ...

Whale sharks have an unusual reproductive method called ovoviviparity, where fertilized eggs are kept inside the mother’s body until they are ready to hatch. This process results in the birth of ...

Moreover, they were among the first vertebrates to exhibit live birth (viviparity or ovoviviparity). Welsh naturalist Edward ...