Swordfish for pets are very easy to breed, as long as you don't have a pet fish.

There are two kinds of edible swordfish

One: the sea swordfish, the sea can also be farmed, belong to the meat line fish, the cost of high economic value and not on, so they rely on ocean fishing or imports.

Two: the Yangtze River in the knife fish in the three fresh, the Yangtze River in the knife fish can be artificially cultured, there have been enterprises to culture, and very high profits, recommended that you look at CCTV's Daily Farming program. There is an introduction to the knife fish.