One of the world’s smallest frogs has been discovered in Madagascar recently, and it is given the name Mini mum. /VCG Photo

The new species of miniature frogs was spotted on an African island coast. An adult male Mini mum can fit on a fingernail with spare room. /VCG Photo

Mini mum, Mini ature and Mini scule are three tiny frog species described in a new study published in the Journal PLoS ONE last week. /VCG Photo