I recently bought a few fiddler crabs and i was wondering if my set up will be up to snuff. I have 3 crabs, 2 males and one female in a 10g tank. I have about 4-6ins of water with a gravel hill they can crawl out on, plus a few decorations that stick out of the water. But i have a few questions: What kind of heater could i use in that shallow of water and is this too many crabs in this small of a tank? I know that they are scavangers and i feed them shrip pellets aswell as a veggie tab every now and then...is there anything else i should feed them? Do they eat live plants becuse i would like to out a one or two in there if possible. Thx for your help!
Dep on the exact spices you have there; they may need brackish set up, so check that one.
To support their natural search behavior for food, if you ever wanna change your tank, I'd go for sand over gravel so they can dig through that.
For the mini water part to keep it at their needed Temp of 75-80F I'd add in something like that Hydor Mini Aquarium Heaters - Heating - Fish - PetSmart rather then a normal tank heater (which sounds like it would be too big for your set up).
I don't think fiddler crabs will eat live plants, as they're detrivores. For brackish water, java fern is a good choice for an easy-to-grow plant.
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