Swim
no
No catfish is an aquarium cleaner. There is no such thing as a fish that will clean a tank.
There are no size restriction for keeping saltwater catfish in Florida but be warned, they are not as good on the dinner table as freshwater catfish so I have been told.
only if you like catfish
a bat or a catfish
An oncoming rain storm
Yes, certain types of smelly cheese can be used to catch freshwater catfish.
You must have been aware of how a catfish alters its color, but what is more important is why they change color. A catfish will change its color for three reasons. Firstly, to hide from the eerie eyes of its prey. It is one of the deceptive skills the catfish possess, and I think it has a good success rate.
Out of Doughbait, shrimp, and other stuff, I find Chicken Livers to work the best out of all baits. Hope this helps and good fishing :) Try using soap. It is a very effective bait for catching catfish in the rivers. Rednecks Catfish Bait Soap is a catfish soap bait. You can find it at www.catfishbaitsoap.com There are also a lot of baits listed on www.whiskerkitty.com
All catfish have a mild venom in their pectoral and dorsal fin spines. As for eating, thet are good if they don't come from polluted waters.
A male catfish