Clostridium botulinum is a rod-shaped bacteria. Grow in the presence of oxygen. A life-threatening Although toxic in small amounts, it can cause illness or death, most often found in the Clostridium botulinum spores are generally harmless. The danger is Born Spores begin to grow into bacteria and produce toxins that affect the nervous system. Can paralyze C. botulinum spores are often found on the surface of fruits and vegetables and seafood, the bacteria Clostridium botulinum can not grow below pH 4.6, so it requires very high temperatures to destroy spores. George C. botulinum