[Peter Finke]

Martin, good, you have found one of them and managed to take a photograph. Show us more of this, if you find them …
But be careful with feeding microworms. They are very easy to grow, but they sink fastly to the bottom. If they decay in greater quantity they could pollute the water. Try to feed other food, too: Paramecium, Artemia. A very good food is the vinegar eels that look quite simmilar to microworms but live in vinegar. They are still a bit smaller than the microworms, still more easy to reproduce and keep for months, but must be filtered from their vinegar, of course before fed. The best advantage is that they don’t sink fastly to the bottom and live longer in the tank.