 鲜花( 0)  鸡蛋( 0)
|
It might be ick, an infection of the parasite Ichtyopthirius.
" |1 Y# T+ c* L J% s; J
' }, P* r5 E$ ~You can increase the water temp up to ~28C and give them drugs (basically Cu2+ ions), plus large quantity of water change. Google for further details.
1 `5 u% ]: M* f0 U5 Y; T! a8 Q
% P- K* H; d `" h; ZIt might be hard to keep all the infected fishes, but treatment is necessary to protect uninfected ones. h4 |0 u/ T( W- r5 @. t
( }9 @0 l, O* e2 RBy the way, is it necessary to have >20C for koi and goldfish? |
|