Sharkbanz

Sharkbanz are a line of wearable shark deterrent devices, such as wristbands and ankle bands, that use a patented magnetic technology to deter sharks and stingrays. The company, founded in 2014, bases its products on decades of scientific research into the use of magnetic fields to repel sharks.

How Sharkbanz Technology Works

The technology behind Sharkbanz is based on the biological system of sharks and rays. Here's a breakdown of how it works:

• Electroreception: Sharks and rays possess a unique sense called electroreception, which they use to navigate and hunt prey. This sense is made possible by a network of gel-filled canals in their snout called the Ampullae of Lorenzini. These organs can detect weak electrical fields produced by the muscle contractions of other animals.
• Magnetic Disruption: Sharkbanz products contain powerful, permanent magnets that create an electromagnetic field.
• Aversive Sensation: When a shark swims into the field, its highly sensitive electroreceptors are overwhelmed by the strong signal. This is compared to a person having a "bright light suddenly shined in your eyes in a dark room." The sensation is disorienting and uncomfortable, causing the shark to turn away.
• No Harm: The technology is designed to be a deterrent, not a weapon. It doesn't harm the shark or other marine life. It simply signals to the shark that the wearer is not a food source and is not worth investigating.
• Always On: The devices do not require batteries or charging, as the magnetic field is always active.

Effectiveness and Reviews

Sharkbanz claims that its technology is scientifically proven and effective. The company cites peer-reviewed scientific research and independent studies to support its claims. Tests on various shark species, including bull sharks, have shown that the devices can elicit avoidance behavior.

However, it's important to note the following:

• Not 100% Foolproof: Sharkbanz, like any other safety device, is not a guarantee against a shark attack. Sharks are wild and their behavior can be unpredictable. The company itself includes a disclaimer that its products "will reduce the risk of shark interactions but there is no 100% guarantee that interactions will not take place."
• Limited Range: The effective range of the magnetic field is short, typically 1-2 meters. This means a shark must be very close to the device for the deterrent to work. For this reason, some users choose to wear two devices for greater coverage.
• Mixed Results in Studies: While some studies, often those commissioned by the company, show positive results, at least one independent field study in 2018 found that Sharkbanz had "limited or no measureable effect" on the behavior of great white sharks.

General Information

• Safety Precautions: Due to the strong magnets, Sharkbanz should be kept away from electronics, such as computers and cell phones, and should not be used by individuals with medical implants like pacemakers.
• Target Audience: Sharkbanz are marketed to a wide range of ocean enthusiasts, including surfers, swimmers, divers, and fishermen. The company also offers products specifically designed for fishing to help prevent sharks from taking caught fish.
• Peace of Mind: Many users report that wearing a Sharkbanz provides a greater sense of peace and security while in the water, which is a significant factor in its popularity.