Eoperipatus totoro “Vietnamese Velvet Worm” 2”size 2 These incredible Velvet Worms were described in 2013 by Brazilian zoologist Ivo de Sena Oliveira and remain the only described species from Vietnam. Reaching nearly 3 inches in length when stretched out, with coffee brown permeable skin that is prone to drying out so keep them damp side. These worms are tropical and unlike many other species of Velvet Worms that need to be kept cold or in a fridge they will be ok at regular room temperature.