1, fish spines. Sea bass is a deep sea fish, no thorns itself, eat without deliberately picking thorns. And catfish is a freshwater fish, the body of the miscellaneous thorns, in eating time is very inconvenient, not as good as sea bass.
2, nutrition. Sea bass is rich in protein, vitamin A, B vitamins, with the benefits of the spleen and stomach. And catfish is only rich in protein, and does not contain trace elements, not as high as the sea bass nutritional value.