Koffsaur are easy to identify by their putrid scent. Prolonged exposure to Koffsaur gas causes headaches and nausea, which is why many researchers wear masks when dealing with them.
To support its bulb, Koffsaur's legs grow sturdy. Getting up close to a Koffsaur will give you a chance to observe, through its thin skin, the toxic gases swirling inside.
