Does Noise Scare Fish Away? (2024)

Ever been told to pipe down lest your noise and talking scare fish away? Can fish hear underwater anyway? You do not actually have to be quiet when you go fishing as loud noises and talking do not necessarily scare fish. Does generator noise scare fish, then? Avoid spooking fish the next time you go fishing with these tips.

Yes, fish can hear you talk!

But barely, unless you are shouting. Sounds that are created above water typically do not carry enough force to penetrate the surface tension of the water, so talking on the boat or loud noise may not affect fish as much as your fellow anglers may want you to think. Your voice is unlikely to spook or scare fish away.

So, when fishing, should you be quiet?

Since fish can hear, noise could really scare fish — at least those that occur underwater. Underwater sounds travel fast, transmitting vibrations swiftly through the water, or about four times as fast as vibrations that are transmitted through the air. Although fish can hear, they tend to rely on vibrations to understand their environment, for example, to identify potential predators.

While noise and talking may not scare fish away, the noise produced by your boat’s generator could spook the fish. This is especially true of two-stroke outboards, which emit loud, metallic noises when moving parts clank against each other. When purchasing a motor for your boat, it is therefore essential to choose one with minimal vibrations to avoid scaring fish away.

Use the right motor to be quiet when fishing

Electric outboard motors could be a good alternative to internal combustion motors, which tend to make more noise and could really scare fish. One option is ePropulsion’s Spirit 1.0 Plus, which is a portable 3HP electric outboard made for dingies and fishing boats. The electric outboard, which is made with premium anodized and powder coated aluminum, can be used in both fresh and saltwater — perfect for fishing for bass. You can go fishing all day at trolling speed with the outboard’s 1,276-Wh large integrated lithium battery.

Most importantly, the Spirit 1.0 Plus is known for being silent and virtually vibration-free, which lowers the chances of spooking your catch. It runs on a brushless DC motor, which is quieter than brushed motors because it requires less power to function.

Noisy motors aside, fish finders scare fish away, at least those that are loud enough to create vibrations underwater. You may actually want to avoid using a fish finder, which is a device that sends sound waves through the water to identify fish, to increase your chances of scoring a bite.

Does Noise Scare Fish Away? (1)

Avoid spooking fish with these best practices

Fish can hear all forms of propeller-driven propulsion, even electric motors, underwater. But there are ways to minimize noise and avoid scaring fish away.

Before you set off, make sure your motor is firmly attached to the boat. A poorly mounted motor could cause excessive vibrations. ePropulsion’s Spirt 1.0 Plus has a sleek and simple motor structure that makes it portable and lightweight at less than 20kg, and also convenient to mount on your boat.

Since a faster propeller would make more noise, simply slowing down would quieten your motor and improve catch rate. Fish in shallow areas so you can run your motor below 50 percent at a steady pace — this would produce constant noise, which blends into the environment, causing fish to get used to the hum of your motor. If you really need to adjust your speed, do it slowly at increments to avoid spooking fish. The ePropulsion Spirit 1.0 Plus has a smaller full throttle power and allows for the digital adjustment of maximum power output, which makes controlling your boat’s speed (and the noise it generates) quick and convenient. The ePropulsion Spirit 1.0 Plus’ handy folding tiller allows you to go about your day worry-free after setting your desired speed.

Avoid turning your motor on and off as much as possible as it creates an abrupt noise that could really scare fish. With the ePropulsion Spirit 1.0 Plus, however, you would not have to worry about making excessive noise and spooking fish with your pull cord start: simply press one button to start your engine and you are ready to go.

Keep your propeller well below the surface of the water to prevent splashing. ePropulsion’s Spirit 1.0 Plus offers both short and long shaft length options, so you may benefit from opting for a long shaft to ensure that your propeller remains deep underwater.

Since fish are sensitive animals, it is best to err on the side of caution. To avoid making noise and scaring fish away when fishing, keep your voices low, turn the music down, choose the right electric outboard with minimal vibrations, and make the most of your outboard’s features.

Does Noise Scare Fish Away? (2024)

FAQs

Does Noise Scare Fish Away? ›

Sounds that are created above water typically do not carry enough force to penetrate the surface tension of the water, so talking on the boat or loud noise may not affect fish as much as your fellow anglers may want you to think. Your voice is unlikely to spook or scare fish away.

Does loud noise affect fish? ›

Yes. Based on this report How Does Noise Affect Fish? , noise pollution would disturb the fish to fish communications, especially for schooling fish as they are social creatures.

What can scare fish away? ›

The chemical composition of DEET, one of the world's most effective fish-repelling substances; if you want to scare off some fish, this stuff is just the ticket.

Do fish get scared by music? ›

And if you're fishing a very quiet lake or pond but still want to listen to music, just keep it low and steady; fish are more likely to respond to be scared off by sudden noises, rather than a consistent, non-threatening hum.

Are fish attracted to sound? ›

To our knowledge, no man-made sounds have been proven scientifically to attract fish. True, fish may become conditioned to respond to a sound when paired with food (such as at a fish farm's feeding station).

What sound repels fish? ›

High frequency sound can be any frequency between the large bandwidth of 20-180kHz however, high frequency fish deterrent systems tend to concentrate on the more specific frequencies between 120kHz and 130kHz.

Does music bother fish? ›

Short answer is yes ultra low frequency can hurt a tank and fish, like an earthquake.

What smells do fish hate? ›

Other 'bad' scents thought to be off-putting to a wide range of fish include: sunblock, insect repellent, soap, detergents, tobacco, the scent of human amino acids, along with petrol and diesel. Popular 'masking' scents often include powerful garlic or banana additives.

Do fish respond to voice? ›

Fish don't hear sounds like we do, but they can feel vibrations in the water. So, when you talk near their tank, they might sense the ripples and movements you create. It's not exactly hearing, but they're aware of your presence.

Does WD40 work for fishing? ›

Not to rain on anyone's parade, but using WD40 as a fish attractant is maybe not the best idea. It is a petroleum distillate and could be considered introducing a pollutant in to the water. Technically illegal. For years it has been rumored to have "fish oil" in it, It does not.

What sound frequency attracts fish? ›

Some predatory fishes attracted to low frequency pulsed sounds, thought to be produced by swimming or struggling prey (Richard 1968 ). ... ... Sounds produced by moving, tethered, and struggling fishes were primarily below 100 Hz.

What are the effects of sound on fish? ›

In general, these studies show that fishes that have anatomical specializations that make them better able to detect lower levels of sound pressure (i.e. hearing specialists) than other fishes might show temporary hearing loss when exposed to increased background noise levels for 24 h or more, whereas fishes without ...

Is a loud pump bad for fish? ›

All air pumps have moving parts inside, so naturally, the motor makes sounds. It is possible, however, to lessen the noises the pump makes through simple, quick fixes and easy maintenance tasks. This is important to remember, as too much noise is detrimental to the fish.

Does noise bother goldfish? ›

Goldfish are generally not bothered by loud music or noises. They are accustomed to living in natural environments where they are exposed to various sounds, including flowing water, rain, and even the sounds of other animals. However, sudden and extremely loud noises can startle them temporarily.

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