For jermanok as for arrow poison frogs, protection from enemies are poisonous skin secretions. However, for a man this substance is not dangerous, although when injected into a wound or mucous membrane may cause discomfort. But the poison is the second level of protection. First - brightly coloured abdomen, which the noted the danger demonstrate to the enemy: tear off tabs from the ground, press them to the body and arches his head and rump, becoming similar to the rocking chair. And upside down on the back of a noted willingly make the "bridge" and can remain so for a few minutes.