Anxiety doesn't necessarily cause concentration problems as its own symptom. In fact, it could be argued that anxiety actually improves concentration. Anxiety is the activation of your fight or flight system, which is meant to keep you safe from harm by ensuring you're running away or fighting without distraction.
The first set up is a standard 20-25 pound test rig (depending on the size of the tuna) with a size 1 to 2/0 hook depending on bait size and the size of the tuna. Fluorocarbon leader can be super effective if the fish are touchy (biting infrequently). This set up will be the primary bait fishing set up.
The ahi tuna (bigeye tuna) is a close relative of the yellowfin tuna. It is one of the typical food fish and game fish. This fish can grow up to 250 centimeters in length and can weigh as much as 400 pounds. According to a recreational fishing site, the heaviest ahi tuna recorded was 392 pounds.