Crabs
Crabs Care Guides
Aquarium and paludarium crabs - most need land and brackish water, with a few fully aquatic exceptions.
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Thai Micro Crab
Limnopilos naiyanetri
A tiny, fully aquatic, completely peaceful crab that is safe with shrimp and nano fish.
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Vampire Crab
Geosesarma dennerle
A stunning purple-and-orange crab that needs land - a paludarium animal, not a fish-tank one.
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Red Claw Crab
Perisesarma bidens
A feisty brackish crab that needs salt and a land area to climb out onto.
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Fiddler Crab
Austruca/Uca sp.
A charming brackish crab whose males wave one giant claw; needs land and salt.