fishing
try using some porous net-like cloth, make a big square and tie 4 strings to each of the corners. Sink the cloth to the bottom of your tank. When you feed the fish, they should all come to the top and you pull up your net and then isolate out the angel with another dip net.
or, " got a small fishing rod and barbless no 12 hooks ? " Might be fun. lol
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