back ontopic,
I was ordering some glass worms, and came up whit some questions.
what kind of filter do you use? I came across some small air driven sponge filters. would they be useful?
now I don’t use any filter but change 50% of the water twice a week.
Would vinegar eels be eaten (by fry)? I used those in the past to feed fry of Pseudomugil en Oryzias which stay close to the surface just like the eels. But I think Paro fry stays closer to the bottom of the tank?