As an omnivorous fish, red swordfish can make it a full meal with many things, such as pellet feed for tropical fish, blanched vegetable leaves, and chewed rice. Red swordfish loves to eat. Red swordfish commonly used fresh bait are water earthworms, water fleas, bloodworms and artemia nauplii and adults.

Red swordfish is an ornamental fish species that is relatively easy to raise. It is relatively easy to feed red swordfish. Convenient is artificial feed, which comes in flakes and pellets. Another type is the artificial hamburger with fresh feed. The main ingredients are beef heart, shrimp meat, vegetables, multivitamins and medicines, etc., which are crushed and mixed into pulp with a household meat mixer, then spread into thin slices, frozen and cut into pellets for feeding.         

Also, be careful when feeding red swordfish, you should check the food before each feeding Whether it is fresh or not, those expired, rotten and odorous foods should never be given to red swordfish.