What are /r/Crayfish's favorite Products & Services?

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I agree. If you do want to increase the GH and KH a little bit, there are products like Salty Shrimp GH/KH+ that I would recommend doing. I actually don't think that we do a good enough job in the crayfish community of getting our water dialed in to healthy hardness levels. A good molt is a good sign, OP.

This is what I use, it is small but very powerful! https://www.amazon.com/bedee-Aquarium-Silent-Energy-Silicone/dp/B07QPLKDXP/ref=mp_s_a_1_3?dchild=1&keywords=bedee+mini+fish+air+pump&qid=1598043594&sprefix=bedee+&sr=8-3

Then my guess is definitely F. propinquus!

For future reference, there's a great book available for IDing Illinois/midwestern crayfish by Chris Taylor at INHS:

https://www.amazon.com/dp/1882932374/ref=cm_sw_r_cp_apa_i_Vc9cFbYC63ZMT

https://www.amazon.com/Cuisine-Rapidly-Sinking-Feeders-Crustaceans/dp/B011LPUFAW?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&psc=1&smid=A2ICAV1J0VJKZZ&dplnkId=bd070617-6c81-4d63-bd4f-88fc14be07a6&nodl=1

If its soft, fine sand that can easily be dug up, give them a nice thick sand bed. My Crayfish loves a little cave to hide into as well. This one specifically fit my single full grown cray fish.

Careful about adding most plants because they tend to nip at them and clog up the filter.

Crayfish are in general a very hardy creature for a fish tank.

https://www.amazon.com/Lees-Convalescent-Home-Specimen-Container/dp/B0002APRLK/ref=mp_s_a_1_3?crid=3L73QI28YOTU&keywords=fish+container&qid=1661607740&sprefix=fish+container+%2Caps%2C194&sr=8-3

• 20 Gallon Tank - Having a lid is absolutely necessary as they will try to jump out.
• Filter (hopefully it comes with the tank).
• Crab Cuisine (Sold at Petco and Amazon)
• API tap water conditioner
• API QUICK START Nitrifying Aquarium Bacteria (A little should do you fine).
• Gravel

• Cave to hide in (Reccomendation: https://www.amazon.com/gp/product/B084LMYRY8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 )

• Fake plants to hide in (They will eat most if not all plants.)

• 1 gallon plastic water bottle for water changes (10% Water change a week will prevent horrid algae buildup

• Fish tank siphon vacuum (Their poop will not float to the top)

• And of course the fun part, any decorations that peaks your interest!

I ordered hemostats

heres the photo , sorry if its blurry

My Cray's typically molt at night when the lights are out. They like privacy when they are in this vulnerable stage. If they are having issues you might try supplements such as these: https://www.amazon.com/Aqueon-Shrimp-Essentials/dp/B07HGL5DK2

This is the one I have. Might not be the best option, but has worked really well for me.

Edit: This is not my exact one, but has the same remote and LED set up. might be an update/slight different.

If you can post a picture, someone will be able to identify the species! But even if it’s native, it shouldn’t be released because of the potential to spread parasites or diseases, etc. ☹️ If you really don’t want it anymore, the ecologically responsible thing is to re-home it (probably what your kid’s teacher was doing) or euthanize it. Mine is an invasive that I caught but couldn’t bring myself to squish. So now she’s my baby. 😅

Crayfish are pretty hardy and can tolerate lower levels of oxygen, so no need for a bubbler or a fancy filter. I have mine in a 10 gal tank with this filter. I do a partial water change with a vacuum about once a week, since their poop is so big.

I mostly feed her sinking algae wafers, but also fish flakes (she likes to forage through her gravel for them or grab them from my tweezers), and (thawed) frozen peas and carrots.

Tank mates are generally not recommended, but I have a large mystery snail, neon tetras and a couple platy in my tank. My girl leaves them alone, but not everybody’s cray is so blasé.

this is a meat netting roll that works good for crayfish and it’s not overly huge compared to other things so cut some of this off and use that

hey!!!! if its available to you, i would look at amazon!!! i paid 16Cad for it so it wasnt a bad price. the one i have is here but i know you can get smaller single sponge filters too!!

i feed mine crusta menu , crab cuisine ,and sometimes vegetables. she's quite small so i usually give her about 2-3 pellets twice a day and she eats them all (:

It's not really gonna grow biobacteria on anything but the very surface of stuff with just the bubbler sitting in there.

Whether or not it will support enough bio-bacteria just on the surfaces of the tank is gonna depend on the size of your tank, how much you feed, how much you clean it, and how big your air pump is. You can't really know for sure without testing the water periodically after you remove the sponge filter since there's too many factors to take into account. It's possible it is enough, but nobody can accurately say for sure.

Could you try a corner filter like this instead? https://www.amazon.com/Corner-Filter-Aquarium-Internal-XY-2008/dp/B00HSCB9GC/ref=sr_1_4?ie=UTF8&qid=1500855910&sr=8-4&keywords=corner+filter+aquarium It works similar to the sponge filter but everything is enclosed in plastic so they can't eat it. I've used them with just gravel in them before. Or you could try to do similar with PVC pipe like u/VolkovME mentioned, but unless you already have PVC lying around it's probably cheaper/easier just to buy a corner filter.

No worries! That'd be ideal, but it may be that there is nothing wrong with your tap water once you dechlorinate it. Do you have any dip strips such as these?