How Long Can Crayfish Live Without Food?

How Long Can Crayfish Live Without Food

If you are going on a vacation, it is normal to wonder how long can a crayfish live without food. I need to go on tours quite often, so I did some research and here’s what I came up with.

A crayfish can live without food for up to a week. The crayfish needs to be properly fed before it is left without food for a week.

There are also some preparations you need to follow before going on the vacation. Also, after coming home, you’ll need to do some other maintenance jobs in order to make sure the crayfish stays fine.

How Crayfish Can Last A Week Without Food?

Crayfishes are natural scavengers. They can eat organic dead matters, plants, worms, dead fishes, etc. When there is a shortage of food, the crayfish comes out for hunting. It is their natural instinct.

Also, as a crayfish tank can get quite dirty with organic matters, there’ll be plenty of food for the crayfish to go on for a week.

However, you need to properly feed it before going on the vacation. Also, some food can last quite long and sustain food for the crayfish for a few days

Is There Any Food That Can Last For A Week?

Yes, there are 3 types of food that you can throw in the crayfish tank. These will sustain for a longer period of time without harming the water quality too much.

1. Raw & Tough Vegetable

Crayfishes love vegetable. Generally we boil the vegetable until it softens and then feed it to the crayfish. However, you can also just throw in the raw & tough vegetable.

The crayfish won’t be able to eat the tough vegetable right away. As time passes by, the vegetable will gradually get softer and the crayfish can eat it little by little.

Some good options can be:

  • Raw Broccoli
  • Dried beans
  • stalk of the broccoli, etc.

Remember, the vegetable needs to be tough. Otherwise, the crayfish will eat it just within a day!

2. Cheap Aquatic Plants

Cheap aquatic plants can be a great option for long-lasting food. They’ll stay fresh and won’t deteriorate the water. You can buy them from any local fish store extremely cheap!

Just put the plants inside the substrate and your crayfish will enjoy them for a long time!

Some cheap aquatic plants:

  • Hornwort
  • Densa
  • Cabomba
  • Guppy grass
  • Micra, etc.

Remember to wash the plants well under running water before planting. These plants can carry snail eggs. So, you need to be careful!

Otherwise, soon you’ll see pond snails lurking around the crayfish tank (another food source for the crayfish!).

3. Live Food

If you want, you can also keep a couple of live feeder fish in the tank. The crayfish will catch them when hungry. However, I don’t like this option as it can deteriorate the water quality too much.

Cheap gold fishes are a good option as feeder fish. If you want to go with this option, make sure the feeder fish looks healthy and doesn’t contain any sickness, parasite, etc.

Preparations Before Going On A Vacation

Here are some of the things you can do before going on the vacation:

  • Feed the crayfish well. If the crayfish is well fed, he can comfortably go on without food for a week.
  • Do a small water change. It will ensure decent water quality throughout the whole week!
  • Make sure the filter, air pump, etc. is running smoothly. These equipment should run 24 x 7.
  • Crayfishes are excellent escape artist. So, their tank needs to be covered with a lid. This is a must. Make sure your crayfish tank is escape proof!
  • If you can, ask a family member or a friend to check on the crayfish once or twice a day while you are away.

Things To Do After You Come Home

Here are the things you need to do after you arrive home:

  • Check on the crayfish immediately. Hopefully he’ll be doing fine!
  • Feed the crayfish some decent food. He’ll appreciate it!
  • Do a 60-70% water change. It will restore the water quality.

Final Words

So, this is how you can prepare for going on a vacation. Don’t worry if you’ll be away for 4-5 days. Nothing will happen in such a short time. However, if you’ll be away for more than a week, then take proper precautions so the crayfish stay safe & healthy!

Muntaseer Rahman

I have been keeping shrimps as a pet for many years now. I’ve fallen in love with these cute pets from the moment I saw them. That’s why I am writing articles to share my shrimp keeping knowledge with you.

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