Sulphur bacteria are a type of microorganisms that obtain energy through oxidizing sulphur compounds. These microorganisms are well known for their special metabolic functions of creating a variety of sulfur compounds, which can fundamentally change the character of their environment. There are different types of sulphur bacteria, and they play vital roles in different ecological systems, including sulfur cycling in wetlands and marine environments. Some of the synonyms for sulphur bacteria include sulfur bacteria, sulfur-oxidizing bacteria, sulfate-reducing bacteria, and sulphide-producing bacteria. Understanding the different forms of sulphur bacteria and their ecological adaptations helps researchers to gain valuable insights into various ecological cycles.