There are lots of catfish species. Some will and some won't. Name the species of catfish and you will get a more accurate answer
You can, but you should first soak it for a few minutes before feeding it to the catfish. They also eat small worms and brine shrimp.
The best flake food for Guppies would be one that is high in vegetable matter. Another food that is heathy for them is finely chopped , and ground spinach. Guppies are largly vegetarian, But will eat most other foods.
Yes, you may feed your catfish brine shrimp,aswell as premium high quality flake food. Consult the Net. for complete care infirmation.
Yes if the other fish can fit into its mouth! My catfish recently ate the 5" cichlid in the 90G tank. The cichlid was a little bit larger than the catfish when I first bought it (about 4") about 1.5 year ago, now the catfish is 9".
yes catfish are scavengers and eat most things
They will happily eat regular flake food from Walmart.
They eat food and they live in the water
They eat food and they live in the water
Cat food ofcouse
Cat food ofcouse
yes, only goldfish flake food
The only catfish I would try to keep with large cichlids is something that grows large and can defend itself like a Plecostomus. Don't expect any catfish to eat rubbish or poo. They won't.