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 but adapted for use in a different context. Bait fish are consumed by larger, aquatic predators. Swimming in ocean water with bait fish can be dangerous, as these fish attract sharks. Bait fish will sometimes use whale sharks as a shield from their other predators such as tuna, as tuna are usually wary of approaching the sharks. The shark cannot attack the bait fish easily, as they constantly swim above them and are too fast for the shark to manoeuvre its mouth into position. However, the sharks eventually dive deep, where the bait fish cannot follow, and as the other