A few weeks ago we moved Harriet upstairs to her winter quarters. Her summer accommodations are more spacious. She’s got a lounging area, a larger master suite, an expansive outdoor deck with native plantings and constant running water. But if we left her there for the winter, chances are she’d freeze to death. Which would be a shame given that we have spent nine years keeping Harriet alive and trading up aquariums as she grew from the size of a quarter to her current 9” s