Well, you guys solved my mystery. I bought an emerald crab about a month a go, and found it dead (or so I thought) last week. A couple days ago I see ANOTHER emerald crab truckin' around in the tank! I only bought one, so I thought it might be a hitchhiker.
When Crabs and shimp molt, they tend to hide for a few days after as their shell is still soft and they are vulnerable to attack. Wait a few more days and keep your eyes open. If they molted, they'll turn up soon.
Kelly
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