Figure 5.
Tail fin erosion in a minnow caused by F. columnare. Columnaris disease led to complete disappearance of the upper half of the fin and exposing the underlying musculature (arrow, bar = 500 μm).
Tail fin erosion in a minnow caused by F. columnare. Columnaris disease led to complete disappearance of the upper half of the fin and exposing the underlying musculature (arrow, bar = 500 μm).