Crayfish
Click here for more about buying Crayfish from us. |
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This picture of a Crayfish was sent to us by Chris Swim. We have Crayfish for sale at our online retail store. Click here for more about buying Crayfish from us. |
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Here is a so-called Australian Yabbie Lobster. This picture was taken by TBK in our facility. |
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Scientific Names
There are many species of Crayfish, and their scientific names are all unknown to us. Click here to go to another website that discusses their scientific names and how to identify the various species of Crayfish.
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Comments
Many aquarists and especially kids mention that they enjoy watching Crayfish, and Crayfish are fun to watch. But Crayfish are quarrelsome and aggressive. They will usually bother and sometimes eat Crabs, Ghost Shrimp, Snails and Frogs.
Crayfish are covered with an exoskeleton that is rigid and doesn't change in shape by much. To grow larger the Crayfish shed their exoskeletons, and for a day or two are covered only with soft tissues which harden into a new exoskeleton. You may see their old discarded exoskeleton on the bottom of your aquarium, unless the Crayfish has already eaten it to recycle the nutrients in the exoskeleton.
Crayfish are also called Crawdads.
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This picture shows a 2.5" Blue Crayfish in our facility. These are also called Blue Lobsters. |
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Appropriate Home
n aquarium with an external power filter with a BIO-Wheel and a maximum of 1/4 inch of gravel. Crayfish can live in an aquarium with or without an aquarium heater at a temperature from about 65 to 82 degrees F.
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Recommended Diet
Crayfish will eat virtually anything on the bottom of the aquarium such as pieces of uneaten food, Shrimps, Crabs, Snails, and Frogs. In this way they help keep an aquarium clean, but they are not a substitute for regular maintenance. Click here for more about aquarium maintenance.
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Compatibility
As mentioned above Crayfish generally make life miserable for small animals living on the bottom of their aquarium including other Crayfish. It seems to be best to keep just one unless you have a large aquarium. Crayfish usually cannot bother fish that stay off the bottom.
Click here to read more about several other groups of compatible fish.
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| Picture Gallery |
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| Just above, a large mature so-called Red Crayfish! |
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Size and Lifespan
These Crayfish live for a few years and can grow to be about 8" long.
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| Click here to go to another page in this web site with Customer Comments and our Replies about Crayfish. |
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Books about
Shrimps, Crayfish, and Crabs
The books shown below are listed on Amazon.com. You can click on the title or on the image of a book to go to the page at
Amazon.com, where that book is listed and discussed. In some cases you can preview several of the pages in that book.
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Click
here for a complete list of
books about Shrimps, Crabs, and Crayfish at Amazon.com. |
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| Click here to go to another page in this web site with Customer Comments and our Replies about Crayfish. |
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The advertisement, shown below, links to
this advertiser's web site. |
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