Meet one of the most poisonous and also ugliest sea creatures - stonefish. This creature of only 15-20 centimeters long with an ugly big head, small eyes and large mouth lives in the coastal regions of Indo-Pacific oceans. They are extremely dangerous. There are cases when a person dies within a few hours or even minutes after the injection of poisonous spines. People who are lucky enough to survive a stonefish sting often remain disabled.