21 !!! outstanding. i commend you on their upkeep. on the record side i would gather it would be hard for you get the recognition you deserve without some sort of record/proof etc to show for his long being. hope you can dispel this though, will be nice for you to achieve this goal, good luck.

now, tell us how we keep "our" slimehoppers to a long and happy existence. you must be doing something right. a caresheet maybe