 鲜花( 0)  鸡蛋( 0)
|
It might be ick, an infection of the parasite Ichtyopthirius.
* Q2 d8 `0 L7 M: E# {- e e8 g/ G- s: G. K, O' E& H& ^! n3 D
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.
% ^+ X+ I4 P' G$ c6 t2 `1 ]( n7 U0 L+ A4 r. R
It might be hard to keep all the infected fishes, but treatment is necessary to protect uninfected ones.
4 Y: k0 @0 |2 u6 o9 d9 F( V0 P6 f d% R. \. X3 c: i+ f f; H
By the way, is it necessary to have >20C for koi and goldfish? |
|