Fish induce production of a particular antibody in their gills in response to pathogen exposure, ... as diseases can quickly tear through populations.

It causes yellow-brown or white lesions on the skin, fins, and gills. The disease is common in late spring and early summer when water warms up. Reports of dead fish started on June 18.

The disease, which never before has seen in California, was first identified at the Mojave River Hatchery in Victorville in April, ... Other fish, including bass and blue gill, ...

A serious viral disease and toxic algae have been found in carp at Martham Pits, which has forced the series of fishing lakes to close.

A steelhead trout caught on the tributary of the lower Klamath River during the 2002 fish kill shows both a brown infection by the columnaris gill disease and inflamed red gills caused by a deadly ...

Black gill was first identified in the region in 1996 and has been detected in all but three years since. It typically appears in August, spreading in Georgia from the Savannah area south.

Higher death rates, bigger viral loads, and more viral shedding—plastic causes big problems for rainbow trout trying to fend off a common disease. By Elise Cutts/Hakai Magazine Published Apr 10 ...