Quote:
Originally Posted by argan
It looks like the gorgonians on that rock contracted the gobies to build them a wall around their property. :P
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I have a couple of non-fishy friends that drop by regularly to see the tank and they thought I built the mound myself. They couldn't believe that the fish did it in only a few days.
They build so fast that they buried a large snail. When the snail decided to move out, it caused a collapse near their entrance. It was really amazing to watch them set about to repair it because they carefully selected large objects to fill the hole. The larger one grabbed a very large rock from some ways away and dropped it directly over the hole. The smaller one then manipulated that rock to test fit it a few different ways before they moved on to bury that rock with additional small rubble.
Another entertaining few minutes at the tank!
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies
My Tank:
http://www.canreef.com/vbulletin/showthread.php?t=28436