Ninjoma Posted March 19, 2023 Share Posted March 19, 2023 Hey All, I'm planning a brackish paludarium build featuring fiddler crabs. I've purchased a 16.9 gallon cube tank for the project. Does anyone have any experience with fiddler crabs, brackish tanks or paludariums and have advice they want to share? Here is my current plan: -Aim for a PH around 8 using aragonite sand as the substrate and seiryu stone for decorations. -For fiddler crab tank mates: guppies, amano shrimp, nerite snails. -For plants: anubias, java fern, crypts Some questions I have: -I have large amount of caribsea super naturals sand on hand I would like to use if possible. Do you think I could get away with mixing aragonite sand with PH nuetral caribsea sand and still end up with a PH of around 8? For reference, my tap water has a PH around 6.5. -It seems like most sources recommend a PH of 8-8.3 for fiddler crabs, but I have seen a few (https://aquariumbreeder.com/fiddler-crab-detailed-guide-care-diet-and-breeding/ & https://azgardens.com/product/mini-algae-eating-fiddler-crab/) suggest a larger range is acceptable. Does anyone know if fiddler crabs can thrive with a PH closer to 7.5? -Does anyone have suggestions for tankmates for fiddler crabs? I feel like guppies are the most reasonable option for my tank size, but I'm not the biggest fan of guppies, so I am open to suggestions. -Does anyone have suggestions for plants that can survive in brackish water with a specific gravity of 1.005? Cursory google searches suggest java fern, crypts and anubias are good options, or potentially many more plants (https://aquariumbreeder.com/brackish-water-plants/) but I also noticed this from ACO (https://www.aquariumcoop.com/blogs/faqs/what-aquarium-plants-can-grow-in-brackish-water) saying java fern and mangrove trees are the only plants they have had success with. -What plants do y'all recommend for the terrestrial part of the tank? I have a germanium I kinda want to throw in there. Would that be okay? 1 1 Link to comment Share on other sites More sharing options...
Ninjoma Posted March 19, 2023 Author Share Posted March 19, 2023 Hey @Zenzo. I saw you had some experience with brackish tanks in a thread from last year. Did you ever find success with any plants other than java fern and mangroves? I currently plan to try anubias, crpyts and val, but it sounds like they may not work out so great. Link to comment Share on other sites More sharing options...
Administrators Zenzo Posted March 20, 2023 Administrators Share Posted March 20, 2023 On 3/19/2023 at 2:13 PM, Ninjoma said: Hey @Zenzo. I saw you had some experience with brackish tanks in a thread from last year. Did you ever find success with any plants other than java fern and mangroves? I currently plan to try anubias, crpyts and val, but it sounds like they may not work out so great. No, so far only those two (and algae). Link to comment Share on other sites More sharing options...
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