That would explain its restlessness over the last few weeks. Deb called this one a "she" but after seeing how, um, erect the column was in that first pic, I'm going with Male now...
Tank was much clearer this morning, but no good chance for a water change yet - thank God for that skimmer cup drain line, very handy. And yeah, a more distinctive smell too, but not horribly bad. Worst part has got to be that stringy mucus-looking stuff in the collection cup...
Male fer shurr, yup...