The class Flavobacteriia is composed of a single class of environmental bacteria. It contains the family Flavobacteriaceae, which is the largest family in the phylum Bacteroidota. This class is widely distributed in soil, fresh, and seawater habitats. The name is often spelt Flavobacteria, but was officially named Flavobacteriia in 2012.
Flavobacteriia
Department disease laboratory researchers (Harold Wolf and Bill Schafer) investigate a trout disease threat in a commercial hatchery.
Colony morphology of Flavobacteriia species Bergeyella zoohelcum on blood agar. Photo credit: Stefan Walkowski
Columnaris disease (Flavobacterium columnaris) in the gill of a chinook salmon.
The family Flavobacteriaceae is composed of environmental bacteria. Most species are aerobic, while some are microaerobic to anaerobic; for example Capnocytophaga and Coenonia.
Flavobacteriaceae