They are Freshwater Fish, so they can be found in lakes, rivers and streams.
catfish came from the Cenozoic era.
There are a large variety of 'sucker mouth' catfish. Most come from Central and South America but there are some species in Southeast Asia.
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.
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.
A male catfish
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
There are over 2000 species of catfish (order: Siluriformes), thus making them one of the largest fish orders. They vary greatly in body shape, pattern, and scale configuration. Catfish come from all types of environments in both fresh and salt water. Catfish belong to 34 families. Thirteen families are covered in this book. They include: the Aspredinidae (Banjo catfish), the Ariidae (Sea catfish), the Auchenipteridae (Driftwood catfish), the Callichthyidae (Armored catfish), the Chacidae (Squarehead catfish), the Doradidae (Thorny catfish), the Loricariidae (Suckermouth armored catfish), the Malapteruridae (Electric catfish), the Mochocidae (Naked catfish), the Pangassidae, the Pimelodidae (Flat-nosed catfish), the Schilbeidae (Glass catfish), and the Siluridae (Old-world catfish).
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.