sneaky fish catching

Has anybody found a fast and efficient method of catching tetra or any other lightning fast fish , I remember when I moved house i literally had to take all the water out and scoop them out the puddles in the gravel , thts not an option this time as I don’t want to empty my whole tank to get...

So, while I was hunting down and catching my yoyos (who have turned out to be too much of a bully gang) I had to tear town my tank just to be able to get them.  I'm happy with the result however and I have more plants due to arrive within the week.   My question is though when people have very...