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yes so they can grip the bottom of the tank and they dont slip around

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Wiki User

12y ago
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Wiki User

14y ago

Yea and no - they breath using gills so need to stay wet. A major problem with crayfish is their messy eating habits, so a small volume of water will spoil very quickly.

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Brian Goodale

Lvl 2
1y ago

Of course Crayfish drink the water they live in!!!

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14y ago

cray fish drink the water they live in

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Anonymous

Lvl 1
4y ago

no

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Q: Does your crayfish need rocks when living in a tank?
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What is needed to set up a crayfish aquarium?

A Crayfish tank is a fish tank. Weel you will need to make it a hut. Id use Lego's or bricks. Dont use any type of metal. It could kill the crayfish. The next thing you need is a oxygen blower. Without it the Crayfish would probaly die. Lst is a TIGHTLY cosled lid. Crayfish are superb escape artist. And dont keep the aquarium light on too long. The Crayfish is noctunal.


How much water is needed for crayfish tank?

Crayfish are very good at getting out, so it's best not to fill a tank to the top.


How do you change a crayfish tank?

You catch and remove the crays (If necessary remove all rocks branches etc first). Then you can syphon out the water and remove the gravel (Substrate). Clean and/or replace the substrate after the tank has been scrubbed clean. Then clean or replace all the rocks branches etc. Replace or clean (at most) 80% of the filter medium and refill the tank. Add water conditioner if necessary to remove chloramine/chlorine, adjust temperature and return the fish/crayfish to their home.


What are the positives of having a small crayfish tank?

You can start a small war against other crayfish tanks.


Can crayfish jump out of fish tank?

its possible but i have a crayfish who his food is floating he gets it but no they can not get out cause they are use to the water


If the mom crayfish is dead . What will happen to the babies Should I take the dead mom out of the tank.?

If the mom crayfish is dead, you should remove her from the tank. Leaving her in the tank can cause bacteria to grow, making the babies sick.


What kind of insect does crayfish eat?

Crayfish of what I have seen in the wild and done myself caterpillars will fall in the water and be eaten and in my tank I feed my crayfish meal worms


What is the problem of keeping crayfish as a pet?

One problem with keeping crayfish as pets is that most crayfish can not be in the same tank. The biggest one usually becomes dominant and injures or even kills the others. Another problem is that if a crayfish and their tank are not properly taken care of it can begin to smell very bad.


What do betta fish need?

All they need is a tank some water some rocks a plant and to be feed.


Can you keep a crayfish as a pet?

Yes, there are several species of freshwater crayfish available in the pet trade. A single crayfish can be kept in a 10-15 gallon or larger tank.


Can pet sharks live in a regular tank with water?

no, you need saltly water and hard rocks.


What is a problem of keeping Crayfish in an aquarium as pets?

Climb out of Tank -- I have a red claw crayfish ( cherax destructor ) and it climbs a lot, also likes to make holes and attack my fish. Do not keep slow moving or long fined fish in the same tank, as the crayfish will attack it and soon eat it.