Weirdest Living Things on Earth

The Pygmy Marmoset is a New-world monkey native to the rainforest canopies of the Amazon Basin in Brazil, Colombia, Ecuador, Peru and Bolivia. It is said to be notably being the smallest monkey in the world at just over 100 grams (3.5 oz).

The guineafowl puffer is a pufferfish usually found in Indo-Pacific and Eastern Pacific. It has a rounded body covered with prickles and generally brown or golden in color, depending on its life stage. The color highly varies.

A viperfish is a deepwater fish with long, needle-like teeth and hinged lower jaws. It is one of the fiercest predators in the very deep part of the sea and is believed to attack its prey by luring its victim with a light producing organ called a photopore.