When my daughter received a pair of pet crabs as a gift she filled a glass tank with sand so the creatures could climb and dig She supplied water protein and vegetable scraps for their dining pleasure They seemed happy so it was shocking when they disappeared one day We searched everywhere Finally we learned they were likely under the sand and would be there for about two months as they shed their exoskeletons Two months passed and then another month elapsed and I had begun to worry that they rsquo d died The longer we waited the more impatient
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