With a lifespan of about five years and a perfect size for any setup (excluding so-called Nano tanks):
Mespilia Globulus can be trusted with any invertebrates. For Icicle (barely an inch) a 33 gallon tank is a huge territory to cover...
If you have a glimpse at his work sheet for the past ten days (below): the results are stunning !!!
(above) Three polyps opened on the loose GSP fragment Icicle picked up last week (left)... We'll have to keep track of the final destination of delivery.
where he will join the Limpet still active on it's section of back panel after several months :)