Is it true that if you punch a shark?
Ethan Hayes
Published Jan 16, 2026
“If... a shark bites you, what we recommend is you should hit the shark in the eye, in the nose, or stick your hand in the gills,” says Chris Lowe, of the California State University Long Beach Shark Lab, in an instructional video. “Those are all sensitive tissues and quite often it causes the shark to release.”
Is punching a shark a good idea?
Punching a shark in the nose is therefore a very last resort course of action, and is by no means a reliable way to prevent yourself from getting hurt during a shark attack.What would happen if you punch a shark?
As any armchair ichthyologist will tell you, the most sensitive part of a shark is its electroreceptive snout. This has given rise to the belief that a sharp punch in the nose will repel almost any shark attack. As it turns out, this is usually a very bad idea that can result in losing your fingers, hand or even arm.Does hitting a shark on the nose work?
Do you clobber it in the nose to fight it off? Not if you plan on getting away. Despite the old saying that aiming for the snout is the best strategy, a shark's most sensitive areas are really its eyes and its gills. Aiming for the nose, which is not known to be a weak spot, is generally considered a bad idea.Do sharks smell period blood?
A shark's sense of smell is powerful – it allows them to find prey from hundreds of yards away. Menstrual blood in the water could be detected by a shark, just like any urine or other bodily fluids. However, there is no positive evidence that menstruation is a factor in shark attacks.Expert Says 'Punch a Shark in the Nose, Grab His Gills' During Attack
Should you look a shark in the eyes?
As with all animal attacks, the best advice is to go for the eye. If you poke something in the eye, it will stop what it is doing. Sharks have a protective eyelid-like barrier called a nictitating membrane, but it's designed to protect from a thrashing fish caught in that shark's jaws and not from fingers.What to do if a shark grabs you?
Stay calm and do not make sudden movements.
- Move slowly toward the shore or a boat; choose whichever is closest. Do not thrash your arms or kick or splash while you swim.
- Do not block the shark's path. If you are standing between the shark and the open ocean, move away.
- Do not turn your back on the shark as you move.
Can you blind a shark?
By striking the eyes, you aren't trying to blind it but rather stun the shark into swimming away. But in the heat of the moment, unless you're directly facing an eyeball, it may be too difficult to focus and strike at such a specific target.What to do if a shark is circling you?
If you find yourself in the middle of an attack...
- Don't panic. So you're being circled by a shark. ...
- Maintain eye contact. As the shark swims around you, keep your head on a swivel and try to maintain eye contact. ...
- Stay big ... or get small. ...
- Don't play dead. This isn't a bear, it's a shark. ...
- Cut off the angles. ...
- Slowly back away.