 鲜花( 0)  鸡蛋( 0)
|
It might be ick, an infection of the parasite Ichtyopthirius.( n& \ E+ Q( o9 ]
, B* f3 V' h* m
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. d; T7 X& \- D# f1 G
( s. ^- ~) [* v& A7 x+ U. `; E
It might be hard to keep all the infected fishes, but treatment is necessary to protect uninfected ones.
9 k8 l. O- a; }% y2 u0 r7 d) m5 V( V3 S( p4 i
By the way, is it necessary to have >20C for koi and goldfish? |
|