I bought a colony of 8 firefish 1male 7female,
females were skinny i thought maybe they just held or stress
but they dont seem to be gaining weight iv lost the male and 1 female
they are all active and eat very well always hungry
ill feed twice aday but still not gaining
i dont know what to do
should i feed more? could there be some sort of parasite?
please any advise could help i dont want to lose these fish