Numerous shark deterrents claim to be effective at deterring sharks, however, a recent study shows they are nowhere near as effective as claimed. Out of 5 shark deterrents tested the best performing product was only 60% effective, which is still better than nothing, but far from 100%.
To read the full study click the link below:
In regards, to shark attack survival Ballas et al, concluded that the best chance of shark attack survival is how fast an actual commercial pre-hospital tourniquet can be applied. The best bet for surfers since they are the most affected demographic is to surf with a tourniquet surfboard leash.
Huveneers, C., Whitmarsh, S., Thiele, M., Meyer, L., Fox, A., & Bradshaw, C. (2018). Effectiveness of five personal shark-bite deterrents for surfers. PeerJ, 6, e5554. doi:10.7717/peerj.5554
