Posted: Sat Nov 17, 2007 2:00 pm
Try getting some extra calcium in his diet, either with very small pieces of cuttlebone in the tank or with a nonphosphorus calcium supplement. He could be just curious, but sometimes trying to eat docks (and other objects) can be a sign that he's looking for more calcium.
"You become responsible, forever, for what you have tamed." -Antoine de Saint Exupery-