Upps … :woohoo: :whistle: 😛 forget my question upside :whistle: ….
The answer now seems to me: never change a running system :whistle:
I wanted finally impatient to see if my three phoenicurus still all are alive … and I found more live than I expected (also fever live, because I didn’t see all the adults) but I think you suspect already what I found – the first offspring :whistle: where one is can be more …
Now I turned the 40x25x25 cm tank with the 25×25 side front forward as often recommended to be able to see the shy fish the more, perhaps because they feel they have a chance to escape in the background …
And the big tank 60x40x30 (and another planned one) will be then for the offspring. The one soon ready run for the offspring the linkei which are already becoming rather numerous …..
I will try to make photos, but for better photos I must wait for christmas ( I have wished a macro for my camera :whistle: )