Flavobacterium columnare in Tilapia

Columnaris disease was first reported by Davis in 1922. This is also called as saddleback disease, cotton-wool disease, cotton-mouth disease, and fin rot. Tilapia is native to Africa and the Middle East. Tilapia immune responses and the rates of pathogen replication are usually correlated with water temperature. Generally, infected fish will show signs of bleeding or have wounds along its body. Flavobacterium columnare are long, thin, gram-negative, aerobic, microaerophilic, or anaerobic gliding rod

Kingdom:  Bacteria

Phylum:     Bacteroidetes

Class:         Flavobacteria

Order:        Flavobacteriales

Family:      Flavobacteriaceae

Genus:        Flavobacterium

Species:       F. columnare

Important infectious diseases such as bacterial and viral diseases. Bacterial infection is usually associated with poor water quality, low dissolved oxygen, crowding and improper handling.