Fish hook with some form of corrosion-resistant surface coating. Corrosion resistance is required not only when hooks are used, especially in saltwater, but while they are stored. Additionally, coatings are applied to color and/or provide aesthetic value to the hook. At a minimum, hooks designed for freshwater use are coated with a clear lacquer, but hooks are also coated with gold, nickel, Teflon, tin and different colors. There are a large number of different types of fish hooks. At the macro level, there are bait hooks, fly hooks and lure hooks. Within these broad categories there are wide varieties of hook types
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