Flavobacterium

Flavobacterium is a genus of Gram-negative, non-motile and motile, rod-shaped bacteria that consists of 130 recognized species as well as three newly proposed species (F. gondwanense, F. salegens, and F. scophthalmum). Flavobacteria are found in soil and fresh water in a variety of environments. Several species are known to cause disease in freshwater fish.