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    • Crabclaw
      By Crabclaw
      Hey guys, I’m really wanting to get freshwater crabs, and the only ones I’ve found are A. Lacustris and A. Laevis. I can only put them in a 110 L community tank for now, but may have another option in the future. The tank is stocked with a large school of ember tetras, some rocket killies, some endlers, some tangerine tiger shrimp, and a pair of apistogrammas. Rare aqua advised that A. Lacustris would likely be eaten by the apistos, so the obvious choice would be A. Laevis, because they’re larger... right? But I’m worried that they might predate upon my shrimp, so wanted to hear some advice and opinions from more people with experience keeping these crabs.
      Cheers!
    • Crabclaw
      By Crabclaw
      Hey guys, I’m really wanting to get freshwater crabs, and the only ones I’ve found are A. Lacustris and A. Laevis. I can only put them in a 110 L community tank for now, but may have another option in the future. The tank is stocked with a large school of ember tetras, some rocket killies, some endlers, some tangerine tiger shrimp, and a pair of apistogrammas. Rare aqua advised that A. Lacustris would likely be eaten by the apistos, so the obvious choice would be A. Laevis, because they’re larger... right? But I’m worried that they might predate upon my shrimp, so wanted to hear some advice and opinions from more people with experience keeping these crabs.
      Cheers!
    • waffle
      By waffle
      I've been avidly watching these little guys since receiving them yesterday, and I thought I'd make a new thread for the observations! Fist up some pics!
      Next, some interactions with shrimp. First up, a pair getting intimate (or failing to - looks like the male was just seeing if she was in the mood) while ignoring some nearby shrimp.
       
      Next, a male getting territorial and chasing off a sunkist neo. Sorry about the lower quality - camera was set to low res accidentally. This movement is different from how they attack snails, so I think it's a territory issue rather than a hunting attempt. If you slow down the film you can see he raises his body and claws really high as though to look intimidating. But I'm not a crab expert so I dunno.
       
      Next a shaky-cam quick-and-dirty video evidencing snail-eating prowess. Don't watch if you get motion sick!!
       
      Next up, a rookie attempt at a close-up film. A bit shaky and focus is off, but you can see the female's cute face.
       


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  • Posts

    • Lizzy
      Ironically, the babies don't seem to hang out on the back glass much. Its mostly the adults. The very new babies seem to LOVE the mini bolbitis. That's where I see most of them until they're big enough and start exploring the rest of the tank. I don't really care about it being ugly haha. I have the 30C to satisfy my need for a "nice" aquascape. Cheers jayc. I'll definitely keep you in mind when I decide to reduce shrimp numbers! I'll just wait a bit to see what colours and patterns I end up with. Just noticed you're in Sydney. I wonder if there are many other NSW CRS keepers on this forum?
    • Crabclaw
      It was a ‘black diamond quartz gravel’ from someone on gumtree, that turned grey... eww. I have about 4cm of it in the bottom of my 110 L. Forgot to mention, I’m fine to switch to sand or soil if u think that would be better. (Maybe from my bn’s point of view). I’ll check those two out. Thanks jayc!
    • Photo fish
      I have figured out how to use the conversion chart. It gives the mg level once you put your Ca and gh levels in. I was just curious on what a good mg level would be if I'm trying to achieve a 4 : 1 ca to mg level.  Also would like to know if I can use micromix trace elements. It only give dose for planted tanks. Dose is .5 ml to 10 gallons 3 times a week then 50% water change. I only make about a 25% change weekly. It shows a .1% copper content is it safe and if so how often would you recommend adding it to the aquarium.  Thanks for any help. Dave B. 
    • jayc
      What sort of gravel do you have now?   What about 'Pisces Black diamond gravel'? I hear they are good.  Also 'AquaLava by Oliver Knott' should be inert since it's scoria rocks.
    • Matuva
      Thanks 😉 Yup, they were caught in a brackish spot, but they do afford fresh water with no problems.
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