How Long Can Roaches Live Without Food & Water?

There are more than 4,500 species of cockroaches globally, and how much do we know about them except that we don’t want to see any kind of these pesky bugs around us.

Nonetheless, cockroaches form an essential part of our ecosystem.

how long can a cockroach survive without food

Did you know that cockroaches are known as ‘amateur recyclers’ because they can chew down almost anything, from dead plants to animals?

So even though we don’t find them interesting, there are some fascinating facts (like the one mentioned above) that we all should know about them.

Today we are going to unravel such engaging enigmas, like:

How Long Can Cockroaches Live Without Food and Water?

Also, can They Survive Without a Head? If Yes, Then How Long?

So let’s find out.

How Long Can Cockroaches Live Without Food?

Cockroaches can survive for a month without food.

They are cold-blooded insects, which means that their body temperature is basically the same as their surroundings, and hence they don’t need to store food to generate heat for themselves.

How Can Cockroaches Survive So Long Without Food?

Like I mentioned above, cockroaches are cold-blooded, so they don’t need to store food like us humans or other warm-blooded animals to maintain their body temperature.

They can quickly adapt to the climate of the area or space are dwelling in at that moment. 

how long can roaches live without food

How Long Can Cockroaches Live Without Water?

Even though cockroaches can survive a month without food, they can only survive a week without water. 

That is why we usually find these bugs in toilets and bathrooms or near the dishwashers and kitchen sinks.

 However, they don’t need a lot of water to survive; even a drop is enough to help a cockroach sustain for weeks.

how long can roaches live without food and water

Do Cockroaches Drink Water?

Yes, cockroaches do drink water, and it is one of the major components for their survival.

Although cockroaches can survive a month without food, water is one of the necessities for them, and they can survive a maximum of up to a week without water.

Can Cockroaches Live Without Its Head?

Yes, a cockroach can survive without its head for up to a week.

This is because cockroaches do not need their head to breathe; they have an open circulatory system, which means they breathe through their body.

 However, they do need water to survive, and without a head, they can’t drink water, so they usually end up dying because of dehydration.

Exterminate Roaches with Pest Control

The fact that roaches can live without food and water for weeks indicates that you need to keep a closer eye in case you spot one of these buggers scurrying around, especially in your kitchen or bathroom.

While there are various alternatives you can use to eliminate them instantly, it is always recommended to hire a licensed exterminator who can handle these problems more efficiently and permanently in case of a serious roach infestation.

To know more about this, fill the below-mentioned form to get free multiple quotes from the professional Pest Control Companies in your vicinity so that you can decide which one to hire for your infestation problem.

And don’t worry, all the personal details that you mention here are 100% safe! By filling the form, at least, you’ll know how much you will have to pay if you take the help of your local exterminators

Final Words

I know all these facts about cockroaches do not make them very likable.

But we still need to understand that cockroaches are among the fastest-growing insects because of their capacity to thrive in any kind of climate.

The above-mentioned information about them only shows how adaptable they are to changing environments.

Their reputation of resilience is so strong that some even say that cockroaches can survive a nuclear apocalypse, and to be honest, after learning all this, I don’t see why not!

Do you have any more questions about these pesky bugs? Let us know in the comments below and our experts will get back to you with the answers!

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2 Responses

  1. Do what you like and think what you like, but I have developed a method of COMPLETELY eradicating cockroaches. I have done this three times in three different houses with fairly heavy infestations. When I finished, I never saw another roach for the rest of the time I lived there. Not one.
    I live in an apartment now and would see roaches from neighboring units in my unit from time to time. I didn’t use my ‘method’ because I didn’t think it would work in connected housing like an apartment. But I eventually did it anyway and haven’t seen a single roach in over 16 months.
    I don’t believe professional ‘pest control’ entities don’t know what I know; I think they simply have no vested interest in really exterminating your roaches, which I believe is why they’ve stopped calling themselves exterminators. It’s now pest ‘control’. Control? I don’t want to ‘control’ roaches! What am I going to do, force them to march in a parade on Friday nights? No, I want them GONE!
    I’ve figured out a way to do it and these companies don’t deserve, nor will ever get, a dime from me!

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