Join Date: Oct 2010
Location: Victoria, Australia
I only use the actual plastic tube as a siphon, and not the larger plastic end as otherwise I suck all my leaf litter out. Most fish go through the tube and come out unscathed at the other end, but one female once caught the tube on her side and she was bleeding from the gill and had these big bruises come up under her scales.
Of course after a brief panic from me, she was fine and wanting to eat some pellets.
I did the same to a juvenile once so I am always leery about fish getting near the ends of mine.