Fishing reel opening the face of the reel allowing the line to run off the side of the spool when released in the cast. The centrepin reel is historically and currently used for coarse fishing. Instead of a mechanical drag, the angler's thumb is typically used to control the fish. Fishing in the margins for carp or other heavy fish with relatively light tackle is very popular with a 'pin' and is often used for 'trotting' a method in which a float on the line suspends a bait a certain depth to flow with the current along the waterway. During the 1950s
Bait fish predators finally dare attack the stranded bait fish, the shark comes back to eat numerous bait fish who are already preoccupied with the attacking tuna. There is a bait fish industry in North America, supplying mainly recreational fishermen, worth up to one billion dollars each year. Bait fish are often short-lived and proliferate spawners. This means their populations can fluctuate rapidly, and they can often recover quickly when depleted. Regulations may exist to prevent overexploitation, as in Arkansas and Massachusetts. Studies by fisheries and conservation agencies monitor the health of bait fish populations, allowing regional governments to set quotas. Bait