Common dolphin with a newborn calf that is still showing foetal folds


Viviparous animals bear live young that have developed inside the mother's body. Most familiar to us in mammals, there are a few unexpected ocurrences in animal groups usually associated with egg-laying such as reptiles, amphibians, fish and scorpions. The term can also be applied to some plants, such as certain kinds of succulents and waterlilies, where the seeds germinate while still attached to the parent.

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Animals with this behaviour



Cartilaginous fish

Lobe-finned fishes


BBC News about Viviparous

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