what is the animal which is not a mamalbut which is a viviparous? Share with your friends Share 0 Afiya answered this Sharks and Guppy fish are not mammals but it is an example of viviparous organism, it gives birth to the young ones. 0 View Full Answer Vaibhav answered this platypus is the animal which is not amamal but viviparous 0 Anmol answered this platy pus is a mammal and it is oviparous 1 Anmol answered this correct answer is scorpions and wuchereria 1