Cylinder nourishing koi

　　Cylinder nourishing koi10 bought fish last year.10 cm at the time. After 3 days express.The red and white fins were all scattered, and it was recovered after entering the tank. But the tail will always have blood, from 10 long to now there is bloody? The middle part of the ferrous fins on the platinum is often crackled.Is my pull-ups not hit in the water?安卓ar实景抓精灵游戏tetra pak是什么意思Arowana fighting tail split)Fish bite stone@Can the dragon fish tail fight recover?:What to do if the dragon"s tail is bitten$Can the arowana tail be raised?.Arowana"s tail is broken after fighting#How to treat the arowana tail split/Gold arowana tail split? Mechi Fish，