 鲜花( 0)  鸡蛋( 0)
|
It might be ick, an infection of the parasite Ichtyopthirius.3 ?# I9 p! r, d+ ]( A
9 x, O, w1 j8 b, I+ i
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.% y5 H& w0 S, L% |
2 G5 ~- q7 ^6 S; ]4 I; v1 wIt might be hard to keep all the infected fishes, but treatment is necessary to protect uninfected ones.+ O; y+ a. i4 D+ A* x- o8 X" j+ m
% N' t! T! O7 |1 x8 [- qBy the way, is it necessary to have >20C for koi and goldfish? |
|