I use at least 80 and prefer more. In general, I'll use either mono or floro, whichever is handiest as they both work and have their advantages (stretch, easier knotting and lower cost for mono, abraision resistance and possible lower visibility for floro).

When trolling, cover a range of depths >30m and run a spread of different sized lures.

Tuna fishing is done by trolling, jigging, chunking or using live baits. And if you do it as shown here - it won't. First, catch (or obtain the bait). Rigging a single plug when trolling cedar plugs for tuna is simple, but there are a couple of tricks that we like to use to make sure that your fish stays on your line. Tuna Lures Page where you will find lures that work extremely well when targeting Tuna! Rigging squid isn't difficult, but as with all natural baitfish trolling rigs, it's vitally important that you do it in such a way that it doesn't spin. Tuna is one of my absolute favorite fish to not only catch, but eat! One of the more productive ways to catch Southern Bluefin is by trolling. Bluefin Tuna Trolling Tackle that Won’t Let You Down.

It can be highly productive if you have the right weather, bait, and Tuna that are not on the move. Cedar plugs are known to be one of the best lures to catch tuna , but they also get a bad rap for tuna breaking off. It’s best to bleed tuna immediately. Bluefin tuna fishermen typically fish three to four spreader bars, two from the outriggers and one or two flat lines. Schools of tuna frequently concentrate at ledges, canyons, and humps.

Most bluefin tuna crews troll fishing spreader bars from their outriggers at about 3-4 knots.

Rigging of Hex Head for albacore tuna. I'll take every advantage I can get, and usually troll with a rod and reel capable of more. The average troll speed for tuna … Trolling for Tuna.

***** CHUMMING FOR YELLOWFIN TUNA.
I need a little advice now that I'm actually looking at the parts. Keep on ice.

Albacore trolling lures. There have been several articles regarding this technique over the last couple of years.

No matter what you try, be sure to keep track of what hits when so you can start seeing if any patterns develop. A whole squid is a great natural bait for offshore trolling. I wet the knot so that it forms up nice and tight. Thought I'd work on the gear in the garage since the weather is a little too lousy for fishing right now.
Rigging for trolling.

Pull on the other end of the mono as well, to help tighten the knot. So when I’m heading out trolling I ALWAYS want to be pulling something to bring in a tuna or two for sushi for dinner. Simply slide the knot up against the armour spring and then apply more pressure on the tag end. I laid out all the parts to rig a hand trolling line, you know, one of those short lines you run right off the back of the boat with no rod. Insert a short-bladed knife through the main arteries, located approximately two inches behind the pectoral fins. The most common way to sportfish for tuna is by trolling. Heading to these locations is the first step to catch tuna.