columnaris

Examples of columnaris in the following topics:

• Cytophaga and Relatives

  • Cytophaga include the following species: Cytophaga columnaris, Cytophaga johnsonae, and Cytophaga psychrophila.
  • The Cytophaga columnaris, also referred to as Flavobacterium columnare or Bacillus columnaris, are responsible for the columnaris disease in salmonid fish.
  • Columnaris disease is characterized by the presence of ulcerations on the skin and the development of fungus-like patches on the gill filaments.
  • The Cytophaga johnsonae, or Flavobacterium johnsonae, are associated with false columnaris disease which is similar to columnaris disease and characterized by the presence of damage at the gills.
  • An image of a chinook salmon that has been infected with Cytophaga columnaris and has lesions and ulcerations on the gill.