Looks like plant matter to me. My crypts sometimes have similar looking tubular projections from the roots that break off easily and get smaller out of water.
i would hate to see those search results

Looks like part of a catfish slimecoat thas been shed.
It does look like a tubular projection from a plant root, but I have no live plants in the tank.My crypts sometimes have similar looking tubular projections from the roots that break off easily and get smaller out of water.
maxumis;1253944; said:I tried to google "clear brown slimy sack", but alas I didn't find anything resembling this...