When deep-sea fishing, it's essential to use bait that can attract large and deep-water species. Some of the best types of bait for deep-sea fishing include squid, mackerel, sardines, and live baitfish. These baits are effective in attracting predatory fish such as tuna, marlin, mahi-mahi, and swordfish. Using fresh bait is crucial, as it will release more scent into the water, attracting fish from a distance. Additionally, using a combination of natural baits and artificial lures can increase your chances of a successful catch.

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Topics covered in this question:

Live Bait Bait Selection Predatory Fish Deep-Sea Fishing Artificial Lures