The bottom of my fiddler crab is covered with sea sand, and the water surface is 1/2 sand, with a little sea salt. He needs air, so he will suffocate if he is completely immersed in water.

Feed fish (raw) and vegetable leaves. I have also fed clams and feed (the kind that fish eat is fine, preferably fishy). Put the food in the sand with a small spoon or lid, and press it down a little bit to make it easy to eat, but don't let the water touch it. If it turns sour, please replace it.

Change the water 1 about twice a week. Remember to wash the sand when changing.

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