I've started on my rainbow fish tank with 4 goyder river rainbows
they seem really happy but they just don't seem to be getting any colour.
I bought 2m and 2f and I've read that females stay rather colourless but when I bought the males they were already very red in the fins and body.
in the mornings they are fairly coloured not as much as at the lfs
but still coloured. but by afternoon they are almost silver.
what can be causing this??
the other tank inhabitants are in my signature minus the rainbow shark which I gave away.
my tank is a low light and tech tank but still has a fair amount of crypts, ferns and moss.
I don't really have any plants that reach the top of the water so do rainbows like shade from the top of the tank???