I offer Marbled Crayfish for sale only in the Dallas Fort Worth Texas area, unless you are involved in University Study or Aquaponics in the USA outside Texas. I never have, and never will, sell livestock outside the USA. (I have never been a commercial operation, just a hobbyist with some original stock, and a little insight.) If you live in or near DFW, Texas, email marbledcrayfish@gmail.com to inquire about current availability, price and a meeting place.

If you are outside of Texas, the reason why we do not ship very often is because of the cost of shipping. First, these are live animals which require OVERNIGHT shipping services, not 2-3 day shipping. The US Post Office and UPS has proven to be worthless in this area, and the only options for shipping is  FEDEX OVERNIGHT. You can look up overnight shipping prices yourself at www.shipgooder.com. We are shipping from zip code 75028 in a box 7x7x6 which weighs just under 5 pounds. If the price of overnight shipping is something you can handle, email us for the price of the animals and the shipping carrier you chose for OVERNIGHT shipping.

Again, we are in Texas, meaning that the weather prevents shipping in weather extremes of summer and winter. During shipping, boxes are placed on warehouse shelves and in trucks without temperature regulation. It does not work out well for live crustaceans to experience 120+ degree heat or freezing conditions. We also learned that the “bag heaters” which are used to ship some fishes, generally will boil crustaceans, and are not going to be used with my crays.

Some states have Wildlife laws which restrict the importation of Marbled Crayfish. You need to do some research and find out if you live in a state where such laws prohibit them. This is your responsibility, not ours. In Texas, that list is located at



For new water in aquariums and aquaponics systems, it is a time-proven way to get biological systems started by introducing beneficial bacteria. This bacteria will multiply quickly and be beneficial for fish and the plants of aquaponics systems. In “cycling” a tank or circulatory system, these bacteria dramatically reduce the time needed for a full cycle: in some cases down to 8 hours.

In aquaponics, introducing these bacteria into any system will result in “super water” for your plants. Even in soil based systems, the water from Marbled Crayfish tanks causes plants to grow phenomenally! For a circulating aquaponics system, introducing these Marbled Crayfish bacteria pads to your existing tanks will have both an immediate and long term effect on your fish and plants. In fact, we invite your own “before and after” pictures of your plants and fishes after using bacteria pads, at www.AquaponicsTexas.com!

We offer these beneficial bacteria in a concentrated form – a filter pad filled to capacity with effluent and bacteria. The filter pad also has the advantage of being shipped at lowest cost possible. Compared to the cost of shipping overnight (required for live crayfish) the packaged bacteria pad can be sent via regular mail. Or, if you prefer overnight or 2-day shipping, just email marbledcrayfish@gmail.com and tell us what you want.

Beneficial Live Bacteria available today for $25.00. We accept Zelle. Email mark@markrobbins.org and get all the benefits for your aquarium or aquaponics system!

If you have obtained Marbled Crays from us, we would LOVE your feedback, please. Do so at (the ORIGINAL source in the USA) give us a review of your experience! Thank you!