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Editor's note:
There is an old post from 1998 on thekrib.com in which a Mr.Cliff Lundberg wrote:
"I have to catch a bunch of fast little fish in a big densely planted tank. Is there some kind of
trap I could rig up that would corral them?"
The reply was: "You can make a trap out of a clear plastic soda bottle (1 pint or thereabouts). Remove the cap. Cut off the top just below the shoulder, so it looks like a funnel.
Invert this "funnel" back into the bottle (so the neck is inside the bottle), use a hot ice pick or
nail to make 3 holes through both layers of plastic, be careful and don't make the holes too
large. Insert pieces of toothpicks through the holes to hold the 2 pieces together. Drop a few
bits of food into the bottle and submerge. You can attach fishing floats if you want to catch
surface feeders, set it on top of plants to catch mid level feeders, or place it on the bottom to
catch bottom feeders. Don't feed the fish awhile before using."
http://www.thekrib.com/TankHardware/trap.html
www.aquariumproducts.com.au