The pike is not dirty, but we usually have some prejudice for catfish, and stubborn pike as a catfish in a very dirty varieties, in fact, this fish is not dirty, and eat up the taste is quite good. And catfish in the existence of more dirty, only leather beard catfish this one species is particularly dirty, the other catfish are not dirty, can be eaten. And the pike side of the fish in many areas are very popular, because it is delicate meat, and the spines are very few, eat up is also very convenient, no matter what kind of practice, can be dusted out of the delicious taste. But as for catfish in the more dirty leather beard catfish this fish, it is best not to eat, because this fish is indeed very dirty.