Q&A for How to Set Up a Freshwater Crayfish Farm

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How often should I feed my crayfish?

Doug Ludemann
Fish Care Specialist
Doug Ludemann is the owner and operator of Fish Geeks, LLC, an aquarium services company based in Minneapolis, Minnesota. Doug has worked in the aquarium and fish-care industry for over 20 years, including having worked as a professional aquarist for the Minnesota Zoo and Shedd Aquarium in Chicago. He received his Bachelor of Science in Ecology, Evolution, and Behavior from the University of Minnesota.

Doug Ludemann

Fish Care Specialist

Expert Answer

Feed them every day. Multiple times a day is even better. Just make sure there isn't a ton of leftover food after your feedings.

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What's the best material for a crayfish aquarium?

Doug Ludemann
Fish Care Specialist
Doug Ludemann is the owner and operator of Fish Geeks, LLC, an aquarium services company based in Minneapolis, Minnesota. Doug has worked in the aquarium and fish-care industry for over 20 years, including having worked as a professional aquarist for the Minnesota Zoo and Shedd Aquarium in Chicago. He received his Bachelor of Science in Ecology, Evolution, and Behavior from the University of Minnesota.

Doug Ludemann

Fish Care Specialist

Expert Answer

I would say that you're going to want keep them on sand. A very fine-grained gravel will work as well, too. Thick gravel is no good, though. The reasoning is kind of convoluted, but it has to do with their molting, so stick with sand or fine gravel.

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Do crayfish jump out of the tank?

Doug Ludemann
Fish Care Specialist
Doug Ludemann is the owner and operator of Fish Geeks, LLC, an aquarium services company based in Minneapolis, Minnesota. Doug has worked in the aquarium and fish-care industry for over 20 years, including having worked as a professional aquarist for the Minnesota Zoo and Shedd Aquarium in Chicago. He received his Bachelor of Science in Ecology, Evolution, and Behavior from the University of Minnesota.

Doug Ludemann

Fish Care Specialist

Expert Answer

Kind of, yes. They can climb out, which isn't the same as jumping. But yes, they can get out of a tank if there isn't a lid to keep it well-secured.

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Is the drained water not nitrogen-rich and therefore good for farming or irrigation ?

Community Answer

Drainage water can be used to supplement crops. However, the quality of the drainage water determines which crops can be irrigated. Highly saline drainage water cannot be used to irrigate salt-sensitive crops.

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