They are Freshwater Fish, so they can be found in lakes, rivers and streams.
catfish came from the Cenozoic era.
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.
There are a large variety of 'sucker mouth' catfish. Most come from Central and South America but there are some species in Southeast Asia.
Just about every continent other than antarctica.
This can't be answered as they come in various sizes. Catfish for example can go from a simple foot or two and sometimes to six feet.
There are many fish in the catfish family, but here is a list of selected common species; Blue catfish-Ictalurus Furcatatus, Channel catfish-Ictalurus Punctatus, White catfish-Ameiurus Catus, Flathead Catfish-Pylodictis Olivaris.
Catfish can swim. Some Amazonian catfish can eat people
Catfish can swim. Some Amazonian catfish can eat people
a goonch catfish has teeth and a piraiba catfish doesn't but it has a surated mouth.
The catfish that I have caught and cleaned do not have teeth.... These are fresh water catfish.....
People eat catfish.
catfish are carnivores
catfish are carnivores