balls near their burrow.

Fiddler crabs are thought to potentially act as ecosystem engineers within their habitat due to the way they rework the sediment during feeding. Whilst these crabs do rework the sediment around them, upturning the very top layer and depositing it nearby, there is still debate that exists as to whether this turnover of sediment has any proven difference regarding nutrients and aeration of the sediment.

Burrows

Fiddler crabs are a burrowing species, where

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