non of the above , haha turn filter off still doing it ???,eat and swim as normal good appetite so i say he is happy and agree he is a great looking guy.
they will eat your plants very soon ,mine took bites at java ferm,and everything in the tank,love veggies,pickles,lettuce any green will enjoy good eaters crickets and red-wigglers too.
not artificial ,just a regular sword male, waiting to see the outcome,my fat fingers wont allow me to do all that haha,science project is not my cup of tea.