We all acquire fish and build our collection and suddenly one or even two fish are missing. Often we forget the potential for fish to jump. There are some popular jumpers in this hobby such as dart fish, firefish gobies, in fact many gobies, at times clown fish, anthias fish and of course eels. In some cases , some merely slip through the overflow boxes and appear to be gone and are swimming in the overflow or take the journey through the drain pipe and end up in the sump. Snails even escape from the top.
What fish have been your jumpers and where did you find them?
How have you safeguarded to prevent a reoccurrence?
Mine have been both dartfish and firefish gobies as well as a recent snowflake clown. I have screens on the way as I relied on my canopy to prevent escape from tank. I in the past had a couple of hermit crabs even find their way out.
) . See where this is going 
You guessed arrowana jumped flopped and ended up caught in a mouse trap. It was fish jerky by the time I found it.
