Though most of the fishes, amphibians, and reptiles are oviparous there are a few exceptions to this. There are a few fishes, amphibians and reptiles which are viviparous.

• Sharks, stingrays, eagle rays, and giant rays are viviparous fish.

• Few species of frogs, toads, and salamanders are viviparous.

• Skink, a type of lizard is also viviparous.