Crawfish (crayfish) - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 12-23-2006, 08:40 PM Thread Starter
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Crawfish (crayfish)

I am going to get a Crawfish soon in a tank by itself. It will either be a five or ten gallon. I was wondering how i should decorate the tank. Do they like a lot of hiding spots? caves? real plants? fake plants? what kind of substrate? i am sure i could read this on most websites, but i feel experience is usually more reliable.
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post #2 of 5 Old 12-23-2006, 11:46 PM
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yes caves, you need a bigger tank imo. maybe a 10 gallon -20 gallon they are like 8 inches long so tnhey need space. if you wouldnt mind them pikin on your plants then i would get live plants. yes driftwood or something somwhat of a cave would be nice. i think of sandy substrate to medium gravel

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post #3 of 5 Old 12-24-2006, 01:07 AM
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Good advice, Charles. 20 gallons is better.:)

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post #4 of 5 Old 12-29-2006, 11:21 AM
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make sure it's a 20g LONG, they don't much care about volume above them as long as they've got a lot fo room to wander around, also, make sure it's covered well, crays are escape artists and will climb your heater cord or filter intake and get out to wander around more, i learned the hard way, found one in a closet in my bathroom, tank was in the kitchen....
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post #5 of 5 Old 12-29-2006, 07:24 PM
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Depends on the species on how big they will get. Also, the height of the tank is a good point, a 20 gallon extra long or a custom tank that is only 10 inches tall and maybe 40x30 would work really well for them. I know it is more expensive if you don't make your own but the total floor space will
could be more important than the total gallons. I have seen figures on this but I think 1.5 square feet for each craw if they are larger species or 1 square foot for smaller ones. The key is they need to be bale to hide so they can not see each other if they don't want to.

My local fish hatchery raises them in a "runway" that is 15 feet long and 4 feet wide, they have diciders in there and a lot of pvc and rock caves for them to hide in, they even breed in there. I think any tank that you can provide a good, "comfortable" place for them to live in will work, just make sure there isn't any aggression and if there is make more hiding places.

If you are talking baout a single one then go for a 10 gallon. I have never seen one over 5 inches long so they should work well with good filtration.

Most important thing to remember, they are escape artists and will get out if they have any way to do so. Even if you think a plexi top covers the tank, make sure it is secure. I have seen them move rocks the size of baseballs, the wild ones anyway.

I do stand corrected, I found a couple species that get over 12" long, that a lobster baby! Anyway, HERE is the only descent link I could find. There is a much better one but I can't find it for the life of me.
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