Catching elusive fish
As I spent more than wee while this evening trying to catch an errant danio the solution popped into my head and hey presto I got him soon after and right away this thread popped in as well. I was trying to cause as little damage as possible to the plants and also trying not to upset or stress the other occupants, but the old net did not quite cut it for the evasive and speedy danio.
Fish are clever little divils in noticing nets and probably have an un-nerving sense that this thing in the tank is going to remove them from their current abode - quick & easy solution =
USE THE EMPTY LID FROM YOUR TEST KIT
you can corner the fish quite easily, towards the glass, bring it open-side up (beware of jumpers

) and then you can always hold it in place with a magnetic algae scraper as you scurry away to photo, medicate, examine or remove....
Andrew