Catfish don't have many thorns. The body structure of catfish is characterized by a main thorn on its back, which plays a major supporting role and allows catfish to carry out various life activities normally. Around this main thorn, there are some small thorns, but the number of these small thorns is not much. Catfish don't have many thorns. However, when eating catfish, you still need to pay attention to prevent being entangled in fishbones.