Catfish are easily identified by their whisker-like features called barbels.  Let’s look at what they actually do for the fish as well as some of their other characteristics. 



Additional Links:

Some quick facts from the Chesapeake Bay Program on Channel Catfish.


A story from Atlas Obscura examines how invasive catfish have altered the ecosystem of the Bay.


A video about the impact that an invasive catfish has had on the Chesapeake Bay.