Comment by Larry Glaser on March 16, 2014 at 7:54pm
No they stand guard over the coming and going of the greenhouse and let us know if they find anything out of the norm in their eyes. I had a tank leak that drained my pool and they didn't bark or anything. I can testify to the hardiness of tilapia they were in 3" of water for ??? less then 36 hours and were moved into a aquarium and I can't see any sign of stress. They were eating with in hours of the move and seem happy.
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