How do you know when catfish has gone bad?

Smell: Catfish that has gone bad will have a strong, unpleasant odor. The smell may be fishy, sour, or ammonia-like.

Texture: Catfish that has gone bad will have a soft, mushy texture. The fish may also be slimy or flaky.

Color: Catfish that has gone bad may have a dull, grayish color. The fish may also have dark spots or streaks.

Taste: Catfish that has gone bad will have a bitter or off taste. The fish may also be watery or tasteless.

If you suspect that catfish has gone bad, it is best to discard it. Eating spoiled fish can cause food poisoning, which can lead to vomiting, diarrhea, and abdominal pain.